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Retinal Eye Disorders Tips

Macular Degeneration- Is Sun Exposure The Leading Cause For It?

Dr. Ikeda Lal 89% (23 ratings)
MBBS, MS - Ophthalmology, Fellowship in Cornea and Anterior Segment
Ophthalmologist, Delhi
Macular Degeneration- Is Sun Exposure The Leading Cause For It?

We spend so much time out in the sun every single day, going about our usual routine, heading for work, mostly preoccupied with our own thoughts that it hardly comes to our mind how our health is getting affected. Of course, most people take necessary precautions to avoid tanning, skin problems and other common conditions. But how often do we think of the damage caused to our eyes?

Research studies show that people who spend a considerable amount of time outdoors and are exposed to sun light almost all the time, are likely to develop severe eye problems such as macular degeneration.
Macular degeneration affects the retina, the layer present at the back of your eyeball. This layer consists of light-sensitive cells that help you see the world around. The tissues of your eyes become affected and dry out due to over exposure to sun’s UV rays. Macular degeneration can cause you to lose your central vision, which means your vision gets obstructed when you look straight ahead.

Types of Macular Degeneration-
Macular degeneration can be of two types-

  1. Dry macular degeneration- This is the most common form of macular degeneration. This condition occurs when yellow-coloured small deposits (known as drusen) start to develop beneath the macula. This leads to retinal damage and loss of vision. Nearly 85-90% of people are affected by dry macular degeneration.
  2. Wet macular degeneration- This eye condition is not that common, and only affects about 10-15% of people. Wet macular degeneration develops when abnormal blood vessels are formed beneath the macula and retina. You may observe a dark spot right at the center of the vision due to bleeding or leakage of the blood vessels.

Symptoms of Macular Degeneration-
Macular degeneration is a progressive disorder, meaning the condition will worsen over time. Recognizing the symptoms of this condition at an early stage is crucial. So watch out for the following signs-

  • Blurred vision
  • Difficulty adjusting to low light
  • Inability to recognize faces
  • Reduction in central vision
  • A curvature of straight lines in the field of your vision
  • Need for brighter lights

Macular degeneration prevents you from looking at things that are placed directly in front of you. It does not, however, cause complete blindness.

How is the condition treated?
Macular degeneration cannot be cured completely. But there are a number of ways to manage the severity of this condition.
High dose of zinc and antioxidant vitamins are prescribed to slow down the progression of Dry Macular Degeneration-

  • 500mg of Vitamin-C
  • 400 IU of Vitamin-E
  • 2mg of copper as cupric oxide
  • 80mg of zinc as zinc oxide

Laser surgery is performed to destroy the permeable blood vessels at the back of the retina.

Eye injections are given to block the growth factors responsible for development of abnormal blood vessels.

Photodynamic therapy involves injecting a light-activated drug into your bloodstream. After injecting the drug, your eyes are exposed to light for about 90 seconds. This allows the therapy to improve your vision. You may have to undergo multiple sessions of this procedure.

Photocoagulation therapy is primarily directed towards treating Wet Macular Degeneration. High-energy laser beams are used in this procedure to destroy the abnormal blood vessels. The objective of the treatment is to prevent bleeding, thereby reducing further damage to the macula. Nevertheless, the laser can leave you scarred or leave behind a spot on the eyes.

Apart from the aforementioned treatment methods, one must adopt certain lifestyle changes to protect their eyes. These include- wearing sun glasses and magnifying lenses, adjusting the font size and brightness level on your computer, including lots of green veggies etc. In case you have a concern or query you can always consult an expert & get answers to your questions!

4774 people found this helpful

Excessive Sunlight Exposure - Can It Cause Age-related Macular Degeneration?

Dr. Ravindra M.S. 86% (251 ratings)
MBBS, MD - Ophthalmology, Fellowship in Vitreo Retina, Fellowship in Cornea
Ophthalmologist, Bangalore
Excessive Sunlight Exposure - Can It Cause Age-related Macular Degeneration?

Macular Degeneration is an age-related macular degeneration incurable eye disease, which might result in blurred vision or no vision in the centre of the vision field, which might lead to visual distortions, reduced central vision, decreased intensity of the colours and can make it difficult for the patient to recognize faces, read, drive and to perform other activities.

Types of Macular Degeneration
1. Dry Macular Degeneration: It is characterized by the presence of drusen and thinning of macula because of a breakdown or thinning of the layer of retinal pigment epithelial cells in the macula.

2. Wet macular degeneration: In this type of AMD, there is an excessive growth of blood vessels, which causes bleeding, leakage, as well as scaring under the retina, which results in a rapid and severe loss of the central vision and might become permanent if not treated.

Causes of Age-related Macular Degeneration:
This is caused due to a problem related to the part of eye known as Macula, which is a spot at the centre of the retina of the eye. The focus point of the incoming ray of light is on Macula, which is responsible for see the things direct in front of us, especially reading and writing.

  1. Age: As the age increases, the probability of developing Age-related Macular Degeneration also increases significantly. The degree of the macular degeneration might vary person to person, but ageing is a major cause of suffering from age-related macular degeneration.
  2. Smoking: Smoking increases the chances of developing the disease in comparison to someone who does not smoke. The longer you have smoked, the more are the chances of developing it.
  3. Family History: The risk of developing the Age-related Macular Degeneration increases if it runs in your family, i.e. if your parents and siblings are suffering from it, then your chances of developing it are quite high as compared to the ones who do not have any family history.
  4. Obesity: The obese people have the higher chances of developing Age-related Macular Degeneration.
  5. Alcohol: Higher alcohol consumption also puts you at the risk of AMD, which is why one should always take alcohol in limited quantity only.
  6. Sunlight: As going out in sunlight without sunscreen is harmful to your skin, the same is harmful to your eyes for longer duration, and one should always wear UV-absorbing sunglasses to protect his eyes from AMD.
  7. Ethnicity: The white and Chinese are more prone to developing AMD as compared to the black people.
  8. Cardiovascular disease: the persons who have suffered diseases that affect the heart and other blood vessel are at higher risk of macular degeneration.

Treatment of Age-related Macular Degeneration
1. Anti-VEGF Drugs: The dry macular degeneration cannot be cured while the wet macular degeneration can be stabilized and maintained with a number of medical treatments to be injected into the eye, such as Lucentis, Avastin and Eylea. These are not long procedures and continued monitoring of the vision to maintain or improve the vision.

2. Laser photocoagulation: It consists of a concentrated beam of high energy thermal light that is directed towards the retina to obliterate and seal leaking blood vessels.

In case you have a concern or query you can always consult an expert & get answers to your questions!

4319 people found this helpful

Eye Flashes - Possible Eye Problems It Indicates!

Asg Eye Hospital 87% (13 ratings)
ABC
Ophthalmologist, Jodhpur
Eye Flashes - Possible Eye Problems It Indicates!

Eye flashes or photopsia can be caused by many conditions. Although flashes are harmless, they might indicate some serious eye issue which needs to be addressed immediately. Medical attention should be taken when flashes cause loss of vision and also small spots seem to float from one side to the other, thereby hindering the vision.

Migraines

Migraines and very severe recurrent form of headaches which last for few hours to many days can cause visual symptoms. The light flashes look like zigzag lines, geometric patterns and sparkles when they occur with a migraine. Flashes might affect one eye or both and occur in the peripheral area of the vision. Light flashes sometime also occur due to ophthalmic migraine, a migraine without a headache.

Posterior Vitreous Detachment

The jelly like substance or the vitreous fluid fill the center of the eye and also gives it shape, is attached to the retina. With age and over time there is shrinking of the vitreous and it begins to detach from the retina. This is known as posterior vitreous detachment. In this the vitreous tugs or pulls on the retina, while the retina gets detached and stimulates it thus causing flashes to occur.

There is no known treatment for posterior vitreous detachment, through regular monitoring of the eye through eye checkups are helpful. Symptoms of this are similar to those of retinal detachment (condition in which there is permanent vision loss).

Retinal Detachment or Tear

Retinal tear and detachment also cause light flashes in the eye. This needs to be treated promptly. In case of permanent vision loss there is detachment of retina at the back of the eye, especially if the detachment takes place over the macula which is the main focus of the vision on retina. When the retina detaches from the eye, it loses the main source of nutrients. As there are photosensitive cells in the retina which are responsible for vision, the results of retina tear are severe.

Retinal damage occurs after trauma or as a complication from diabetes or posterior vitreous detachment. Vitreous gel tends to seep under the retina from the small crevices and holes formed by the retinal thinning. This in turn raises the sections and disconnects it from the eye. This can be corrected by laser treatment, cryopexy or an eye surgery.

Other Causes:

A trauma like a hard blow on the head can lead the person to experience flashes of light. Also some medications can lead to toxic levels, like Digitalis can cause flashes of light. The symptoms of eye flashes also occur with macular degeneration, which is an age-related disease and in this the vision reduces gradually.

In case you have a concern or query you can always consult an expert & get answers to your questions!

4451 people found this helpful

Know More About Macular Degeneration!

MS - Ophthalmology
Ophthalmologist, Ahmedabad
Know More About Macular Degeneration!

Even something as small as an eyeball, has multiple parts within it. The retina at the back of the eyeball is responsible for the clarity of vision. The central area of the retina is known as the macula. Macular degeneration is the deterioration of this part of the retina. Macular degeneration is age related and is considered as an incurable condition. People suffering from macular degeneration experience blurred vision, black spots and may eventually lose central vision while retaining peripheral vision.

There are two types of macular degeneration; wet and dry. The dry form of this disease is more common than its wet form. Of these, the latter causes more serious vision loss. Dry macular degeneration leads to white or yellow deposits on the retina leading to further degeneration. In the wet form of this disease, blood vessels beneath the retina start growing towards the macula and may pull it away from the base when they break or leak fluid.

There are three stages of age related macular degeneration (AMD):

  1. Early AMD: This is diagnosed by the presence of deposits on the retina. In most cases, ether is no vision loss at this stage but regular check-ups are essential.
  2. Intermediate AMD: A comprehensive eye exam will show the presence of larger deposits or pigment changes in the retina. At this stage, slight vision loss may be experienced.
  3. Late AMD: People suffering from late AMD have noticeable vision loss. Though this disease is linked to aging, the exact triggers for macular degeneration are unknown. It is understood to be a combination of hereditary and environmental factors. The presence of certain genes and their variants has been associated with a number of cases of this disease. Studies also show that caucasians are at the highest risk of suffering from this disease. Depriving cells in the retina of oxygen can also increase a person's risk of contracting this disease. Other risk factors for this disease are obesity, smoking, high blood pressure and a light eye colour. The side effects of certain drugs can also induce this condition.

Macular degeneration is considered to be incurable, but certain forms of treatment can improve vision and slow down the rate of deterioration. Treatment prescribed by a doctor depends on stage of the disease and whether it is wet or dry. Studies suggest that a diet rich in Omega-3 fatty acids can prevent AMD and lower the risk of its progression.

6 people found this helpful

Macular Degeneration - 3 Most Common Types!

Dr. Rajeev Gupta 87% (25 ratings)
MBBS, MS - Ophthalmology
Ophthalmologist, Ghaziabad
Macular Degeneration - 3 Most Common Types!

Even something as small as an eyeball, has multiple parts within it. The retina at the back of the eye ball is responsible for the clarity of vision. The central area of the retina is known as the macula. Macular degeneration is the deterioration of this part of the retina. Macular degeneration is age related and considered an incurable condition. People suffering from macular degeneration experience blurred vision, black spots and may eventually lose central vision while retaining peripheral vision.

There are two types of macular degeneration; wet and dry. The dry form of this disease is more common than its wet form. Of these, the latter causes more serious vision loss. Dry macular degeneration leads to white or yellow deposits on the retina leading to further degeneration. In the wet form of this disease, blood vessels beneath the retina start growing towards the macula and may pull it away from the base when they break or leak fluid.

There are three stages of age related macular degeneration (AMD).

- Early AMD

This is diagnosed by the presence of deposits on the retina. In most cases, ether is no vision loss at this stage but regular check-ups are essential.

- Intermediate AMD

A comprehensive eye exam will show the presence of larger deposits or pigment changes in the retina. At this stage, slight vision loss may be experienced.

- Late AMD

People suffering from late AMD have noticeable vision loss.

Though this disease is linked to aging, the exact triggers for macular degeneration are unknown. It is understood to be a combination of hereditary and environmental factors. The presence of certain genes and their variants has been associated with a number of cases of this disease. Studies also show that caucasions are at the highest risk of suffering from this disease. Depriving cells in the retina of oxygen can also increase a person's risk of contacting this disease. Other risk factors for this disease are obesity, smoking, high blood pressure and a light eye colour. The side effects of certain drugs can also induce this condition.

 

Macular degeneration is considered to be incurable but certain forms of treatment can improve vision and slow down the rate of deterioration.  Treatment prescribed by a doctor depends on stage of the disease and whether it is wet or dry. Studies suggest that a diet rich in omega 3 fatty acids can prevent AMD and lower the risk of its progression.

In case you have a concern or query you can always consult an expert & get answers to your questions!

5243 people found this helpful

8 Common Causes of Age Related Macular Degeneration (AMD)!

Dr. Rajeev Gupta 87% (25 ratings)
MBBS, MS - Ophthalmology
Ophthalmologist, Ghaziabad
8 Common Causes of Age Related Macular Degeneration (AMD)!

Macular Degeneration is an age-related macular degeneration incurable eye disease, which might result in blurred vision or no vision in the centre of the vision field, which might lead to visual distortions, reduced central vision, decreased intensity of the colours and can make it difficult for the patient to recognize faces, read, drive and to perform other activities.

Types of Macular Degeneration
1. Dry Macular Degeneration: It is characterized by the presence of drusen and thinning of macula because of a breakdown or thinning of the layer of retinal pigment epithelial cells in the macula.

2. Wet macular degeneration: In this type of AMD, there is an excessive growth of blood vessels, which causes bleeding, leakage, as well as scaring under the retina, which results in a rapid and severe loss of the central vision and might become permanent if not treated.

Causes of Age-related Macular Degeneration:
This is caused due to a problem related to the part of eye known as Macula, which is a spot at the centre of the retina of the eye. The focus point of the incoming ray of light is on Macula, which is responsible for see the things direct in front of us, especially reading and writing.

  1. Age: As the age increases, the probability of developing Age-related Macular Degeneration also increases significantly. The degree of the macular degeneration might vary person to person, but ageing is a major cause of suffering from age-related macular degeneration.
  2. Smoking: Smoking increases the chances of developing the disease in comparison to someone who does not smoke. The longer you have smoked, the more are the chances of developing it.
  3. Family History: The risk of developing the Age-related Macular Degeneration increases if it runs in your family, i.e. if your parents and siblings are suffering from it, then your chances of developing it are quite high as compared to the ones who do not have any family history.
  4. Obesity: The obese people have the higher chances of developing Age-related Macular Degeneration.
  5. Alcohol: Higher alcohol consumption also puts you at the risk of AMD, which is why one should always take alcohol in limited quantity only.
  6. Sunlight: As going out in sunlight without sunscreen is harmful to your skin, the same is harmful to your eyes for longer duration, and one should always wear UV-absorbing sunglasses to protect his eyes from AMD.
  7. Ethnicity: The white and Chinese are more prone to developing AMD as compared to the black people.
  8. Cardiovascular disease: the persons who have suffered diseases that affect the heart and other blood vessel are at higher risk of macular degeneration.

Treatment of Age-related Macular Degeneration
1. Anti-VEGF Drugs: The dry macular degeneration cannot be cured while the wet macular degeneration can be stabilized and maintained with a number of medical treatments to be injected into the eye, such as Lucentis, Avastin and Eylea. These are not long procedures and continued monitoring of the vision to maintain or improve the vision.

2. Laser photocoagulation: It consists of a concentrated beam of high energy thermal light that is directed towards the retina to obliterate and seal leaking blood vessels.

In case you have a concern or query you can always consult an expert & get answers to your questions!

4905 people found this helpful

4 Tips for Eye Health and Maintaining Good Eyesight!

Dr. Rajeev Gupta 87% (25 ratings)
MBBS, MS - Ophthalmology
Ophthalmologist, Ghaziabad
4 Tips for Eye Health and Maintaining Good Eyesight!

From smartphones to the idiot box, we are using our eyes to stare at small fonts and images more than ever before. So ask yourself this, are you eating foods that are best for your eyes? Are you performing relaxation exercises? Are you actually maintaining their overall health.

An important organ of the body, eyes must never be taken for granted and need to be protected at all times. In addition to protecting them, you also need to improve as well as maintain their overall health.

Here are some of the ways of keeping your vision in top form:

1. Eat for good eye vision

To have healthy eyes and consequently good vision, you need to have foods that keep them in good health. Nutrients like Zinc, Vitamins C and E and Omega-3 fatty acids can help to fend off age-related sight problems such as cataracts or macular degeneration (a condition characterized by the deterioration of the middle portion of the retina). Foods like eggs, nuts, green leafy vegetables, oranges and citrus fruits are what you need to have to get good eye health.  

2. Kick the smoke habit

Smoking can adversely affect your eye health and can make you prone to eye conditions like cataracts, macular degeneration and damage of optic nerve (a nerve that transmits impulses from the eyes to the brain). By kicking this habit, you end up saving your eyes from irreversible damage.

3. Use sunglasses

Exposure to the sun’s ultraviolet rays for a long period of time can make you prone to common eye problems including cataracts. To protect them from the sun’s harmful rays, you need to use sunglasses that block 99-100% of ultraviolet A (UVA) and ultraviolet B (UVB) rays.

4. Go for a regular eye checkup

Going for regular eye examinations can help in protecting your vision and ensure you see clearly. Eye examinations are important to help you find eye problems like glaucoma (a condition wherein the optic nerve is damaged, resulting in vision loss). A comprehensive eye examination can help in identifying problems like nearsightedness, farsightedness or astigmatism (an eye defect that occurs to a deviated spherical curvature).

In case you have a concern or query you can always consult an expert & get answers to your questions!

5828 people found this helpful

Carrots (Gajar) - 6 Benefits You Must Know!

Dr. Kedar Upadhyay 89% (152 ratings)
Bachelor of Ayurveda, Medicine and Surgery (BAMS), Diploma in Naturopathy & Yoga - NDDY
Ayurveda, Ahmedabad
Carrots (Gajar) - 6 Benefits You Must Know!

The fiber and beta carotene content in carrots makes them extremely healthy. Carrots also have a number of other nutrients including Vitamins B8, K, A and C as well as iron, folate, potassium, copper and manganese. Here are the benefits which these nutrients give to your body:

1. Reduces cholesterol
Studies have shown that eating carrots lowers your blood cholesterol levels. The most recent theory for why this happens is because carrots have a large amount of soluble fiber. This soluble fiber has been claimed to lower blood cholesterol levels.
2. Chances of cancer reduced
Carrots have a lot of bioflavonoids and alpha carotene. Both of these have been said to lower the risk of cancer, especially lung cancer.
3. Keeps your vision good
You must have heard from your parents that eating carrots is good for your eye health. While it is not true that they can cure any significant eye illnesses, they can prevent many illnesses caused by a vitamin A deficiency. They do this because beta-carotene which is there in carrots can be converted to vitamin A. Vitamin A prevents include cataracts, night blindness as well as macular degeneration.

4. Prevents memory loss
Beta-carotene is crucial for preventing memory loss. According to a recent study conducted by Harvard University, it was concluded that people who ate vegetables such as carrots which contained beta-carotene had their chances of suffering from memory loss reduced.
5. Diabetes prevention
Beta-carotene is an antioxidant in carrots which lowers your risk of diabetes. It has been found that people with high levels of beta-carotene had 32% more insulin in their blood than people with low levels of beta-carotene.
6. Improves bone health
Carrots also contain vitamin C and calcium, both of which are good for bone health. This is especially important for post-menopausal women who usually have a deficiency of calcium in their bodies. If you wish to discuss about any specific problem, you can consult an Ayurveda.

4204 people found this helpful

4 Tips For Better Vision!

Dr. Tejas D. Shah 90% (48 ratings)
MBBS, MS - Ophthalmology, Diploma in Ophthalmology , Fellowship in Cornea and Anterior Segment
Ophthalmologist, Ahmedabad
4 Tips For Better Vision!

An important organ of the body, eyes must never be taken for granted and need to be protected at all times. In addition to protecting them, you also need to improve as well as maintain their overall health.

Here are some of the ways of keeping your vision in top form:

1. Eat for good eye vision

To have healthy eyes and consequently good vision, you need to have foods that keep them in good health. Nutrients like Zinc, Vitamins C and E and Omega-3 fatty acids can help to fend off age-related sight problems such as cataracts or macular degeneration (a condition characterized by the deterioration of the middle portion of the retina). Foods like eggs, nuts, green leafy vegetables, oranges and citrus fruits are what you need to have to get good eye health.  

2. Kick the smoke habit

Smoking can adversely affect your eye health and can make you prone to eye conditions like cataracts, macular degeneration and damage of optic nerve (a nerve that transmits impulses from the eyes to the brain). By kicking this habit, you end up saving your eyes from irreversible damage.

3. Use sunglasses

Exposure to the sun’s ultraviolet rays for a long period of time can make you prone to common eye problems including cataracts. To protect them from the sun’s harmful rays, you need to use sunglasses that block 99-100% of ultraviolet A (UVA) and ultraviolet B (UVB) rays.

4. Go for a regular eye checkup

Going for regular eye examinations can help in protecting your vision and ensure you see clearly. Eye examinations are important to help you find eye problems like glaucoma (a condition wherein the optic nerve is damaged, resulting in vision loss). A comprehensive eye examination can help in identifying problems like nearsightedness, farsightedness or astigmatism (an eye defect that occurs to a deviated spherical curvature). If you wish to discuss about any specific problem, you can consult an Ophthalmologist.

4278 people found this helpful

Three Stages Of Age Related Macular Degeneration!

Dr. Somdutt Prasad 91% (113 ratings)
FACS, FRCOphth, Fellowship of the Royal College of Surgeons (FRCS), MS - Ophthalmology, MBBS
Ophthalmologist, Kolkata
Three Stages Of Age Related Macular Degeneration!

Even something as small as an eyeball, has multiple parts within it. The retina at the back of the eye ball is responsible for the clarity of vision. The central area of the retina is known as the macula. Macular degeneration is the deterioration of this part of the retina. Macular degeneration is not incurable, if detected early, the wet form of macular gegeneration can be treated very effectively by the use of drugs which are given as an injection into the eye. People suffering from macular degeneration experience blurred vision, black spots and may eventually lose central vision while retaining peripheral vision.

There are two types of macular degeneration; wet and dry. The dry form of this disease is more common than its wet form. Of these, the latter causes more serious vision loss. Dry macular degeneration leads to white or yellow deposits on the retina leading to further degeneration. In the wet form of this disease, blood vessels beneath the retina start growing towards the macula and may pull it away from the base when they break or leak fluid.

There are three stages of age related macular degeneration (AMD).

- Early AMD

This is diagnosed by the presence of deposits on the retina. In most cases, ether is no vision loss at this stage but regular check-ups are essential.

- Intermediate AMD

A comprehensive eye exam will show the presence of larger deposits or pigment changes in the retina. At this stage, slight vision loss may be experienced.

- Late AMD

People suffering from late AMD have noticeable vision loss.
Though this disease is linked to aging, the exact triggers for macular degeneration are unknown. It is understood to be a combination of hereditary and environmental factors. The presence of certain genes and their variants has been associated with a number of cases of this disease. Studies also show that caucasions are at the highest risk of suffering from this disease. Depriving cells in the retina of oxygen can also increase a person's risk of contacting this disease. Other risk factors for this disease are obesity, smoking, high blood pressure and a light eye colour. The side effects of certain drugs can also induce this condition.

Macular degeneration is considered to be incurable but certain forms of treatment can improve vision and slow down the rate of deterioration.  Treatment prescribed by a doctor depends on stage of the disease and whether it is wet or dry. Studies suggest that a diet rich in omega 3 fatty acids can prevent AMD and lower the risk of its progression. Consult an Expert & get answers to your questions!

4130 people found this helpful
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