As you reach the age of 40, you will likely notice changes in your vision. Perhaps you have difficulty reading a book without glasses, or distinguishing between colours. These changes occur as an effect of ageing. However, nowadays people in their teens are also exposed to a host of eye disorders and vision problems, mostly resulting from eye injuries and visual stress.

The most common disorders of the eye, which affect the age group 19-40, are Refractive errors. The following signs and symptoms characterize such disorders-

  Haziness
  Double vision
  Halos or glares when you are surrounded by bright lights
  Headaches
  Squinting
  Eye strain

What are the Refractive errors?

Refractive errors develop when light cannot focus on the retina (the light-sensitive tissue situated at the rear side of the eye) directly due to the shape of the eye. The change in the cornea s shape, the ageing of the lens, or the length of your eyeball can lead to refractive errors. Most people suffer from one or more of the above conditions.

Type of Refractive Errors:

Following are the most common types of refractive errors-

  Myopia or Nearsightedness - If you have this condition, you will see nearby objects clearly but distant objects will appear blurry. This happens because the light comes to focus right in front of the retina, instead of on the retina.

  Hyperopia or Farsightedness - This condition is just the opposite of myopia. Distant objects are clearly visible but those located close to you appear blurry. However, some people may not observe any problem with their vision at a young age. If you have significant hyperopia, objects at any distance, far or near, can appear blurry.

  Presbyopia - This age-related condition affects your ability to focus on things closely. This happens because as you age, the lens of the eye is unable to change shape to allow the eye to focus on nearby objects clearly.

  Astigmatism - In this condition, the eye cannot focus light onto the retina evenly. As a result, images appear stretched out and blurry.

  Amblyopia or Lazy eye - This vision development disorder begins during early childhood and infancy. In this condition, the eye does not achieve normal visual acuity despite using contact lenses or prescribed glasses. Usually, amblyopia affects only one eye.

Can early diagnosis help treat the problem?

Yes, it can. Your eye care specialist can diagnose refractive errors and detect what exactly is impeding your vision with a comprehensive dilated eye examination. Upon encountering the symptoms mentioned above, one should consult an ophthalmologist at the earliest and get oneself checked.

If the condition is detected early, vision problems due to refractive errors can be treated. The common treatment options include the use of contact lenses, prescription glasses, and surgery (in severe cases).
People with visual problems should also adopt some lifestyle changes to correct their vision - eat more veggies, get adequate sleep and rest, abstain from smoking etc. Additionally, you should get periodic eye check-ups to monitor the condition.

Difficulty In Vision - It Can Be Better If Treated On Time!

Glaucoma is a disease that damages your eye's optic nerve. It usually happens when fluid builds up in the front part of your eye. That extra fluid increases the pressure in your eye, damaging the optic nerve.Glaucoma is the second largest cause of eye blindness in the world.

There are several types of Glaucoma:
1. Open-angle Glaucoma
2. Normal-tension Glaucoma
3. Angle-closure Glaucoma
4. Congenital Glaucoma
5. Secondary Glaucoma
6. Glaucoma suspect

How will you know that you are suffering from Glaucoma?
Only half the people with glaucoma are aware that they are suffering from this condition. When Glaucoma develops, there are usually no early symptoms. This is why glaucoma can 'steal' sight gradually.

Symptoms:
1. In its early stages, open-angle Glaucoma has no obvious symptoms. As the disease progresses more blind spots develop in the peripheral (side) view.
2. An attack of angle-closure Glaucoma includes the following:
a. Severe pain in the eye or forehead
b. Redness of the eye
c. Decreased vision or blurred vision
d. Vision rainbows or halos
e. Headache
f. Nausea
g. Vomiting
If you get any of the symptoms rush to your doctor and take an eye exam as soon as possible.

Causes:
1. Eye injury
2. Inflammation of the eye
3. Dilating eye drops
4. Blocked or restricted drainage in your eye
5. Use of steroid-containing medications (pills, eye drops, sprays)
6. Poor or reduced blood flow to your optic nerve
7. High or elevated blood pressure

Who is at Risk for Glaucoma?
People with more risk of developing Glaucoma include people who:
1. Are over age 40
2. Have family members with glaucoma
3. Have high eye pressure
4. Are farsighted or nearsighted
5. Have had an eye injury
6. Have diabetes, migraines, high blood pressure, poor blood circulation or other health problems affecting the whole body.

Types, Causes and Symptoms of Glaucoma

Cataract can be defined as the clouding of the natural lenses in the eyes. This is caused by the clumping of protein in the eye lens. Cataract is a common eye disorder and the leading cause of loss of vision in people who are past their fortieth birthday. Cataract can occur in one or both eyes. When diagnosed properly, cataract can be treated with surgery to prevent blindness.

Depending on where and how they develop, there are many types of cataract. The most common amongst these are:

1.        Subcapsular cataract

These occur at the back of the eye lens. Diabetic patients are very susceptible to this kind of cataract.

2.        Nuclear cataract

Yellowish-brown cataract that form in the center of the lens are called nuclear cataract. This is usually seen in cataract caused by ageing.

3.        Cortical cataract

Cataract in the lens cortex are known as cortical cataract. These are wedge shaped and whitish in color. Spokes protruding out of these opaque wedges can be seen moving towards the center of the eye.

4.        Congenital cataract

Though they are not common, babies can also have cataract. Cataract formed at birth or within the first year of a baby's birth are known as congenital cataract.

5.        Secondary cataract

Cataract is one of the known side effects of diabetes and glaucoma. Some steroids and medicines are also linked to cataract.

6.        Traumatic cataract

If your vision becomes cloudy years after an eye injury, it could be a traumatic cataract. It can take several years for this to happen.

7.        Radiation cataract

Exposure to radiation can also lead to cataract. This is seen sometimes in patients who have undergone radiation therapy to fight diseases like cancer.

Though the type of cataract might differ from person to person, the symptoms are usually the same. Some of the common symptoms of cataract are:

1. Blurred vision
2. Reduced night vision
3. Increased sensitivity to light and glare
4. Seeing halos around lights
5. Colors appearing faded
6. Double vision

A reading test is the first step towards diagnosing cataracts. This is followed by tests to measure the eye pressure. Your doctor will also need to dilate the pupil to check the condition of the optic nerves and retina.

Surgery is the safest way to remove a cataract. Surgery is usually recommended when cataract begin inhibiting your daily life such as preventing you from driving, interfering with reading etc.
 
In most cases, this can be done as an outpatient procedure. The earlier it is diagnosed, the easier it is to treat. Hence, if you notice any of the symptoms mentioned above, get your eyes checked at once. The surgery is a day-care surgery only, so a person can go home the same day.

Is Your Vision Clouded? It Could Be Cataracts

The eye is a complex organ. It is made up of a number of different parts which together build a sense of image. Retina is a very significant part of the eye. It is this part of the eye that helps it project the image. The object image is ultimately created on this part of the eye. But it is also a very sensitive and delicate organ. There are many abnormalities that may affect the retina. Central Serous Retinopathy is one such abnormality.

This medical condition of the eye is precipitated when there is a buildup of fluid behind the retina. This leads to the detachment of the retina. The patient may experience gradual or even sudden loss of vision as the central retina gets detached.

The Retina and its Structure

The retina is a very important part of the eyes. It is a membranous structure where vision takes shape and is composed of several layers. It contains special photoreceptor cells that help in identifying color, vision, etc. There are different cells that help in central as well as peripheral vision. The central region of the retina is also known as macula. Retinal Detachment is a disorder of retina that can turn people blind or low in vision. Medical intervention is necessary to regain lost vision.

Symptoms of Central Serous Retinopathy

Patients need to be aware of the symptoms lest they should be caught completely unaware of it.

Objects may appear farther away than usual.

White portions of images may appear dull and lines may appear crooked.

Patients may experience blurry vision in the initial stages.

However, it does not always a precipitate symptom. If fluid buildup is not affecting the central vision area, the patient may not experience any deterioration in central vision. This is a perception that the central part is responsible for the central vision. He or she may experience a clear central vision, although there is a fluid buildup. Nevertheless, it may eventually push the central part and detach the retina resulting in Central Serous Retinopathy. Patients may experience a darkening or blurring of their central vision. This is usually limited to one eye. However, one may experience such problems in both eyes at different stages of life.

Risk factors

Though the contributory factors are not well known, it is thought that stressful lifestyles and some medicines can contribute to such ailments.

Treatment

Treatment may not always be required in all cases. Doctors may just ensure that built-up fluid is draining out. However, if fluid is not draining out, medical intervention is necessary doctors may go for treatments like photodynamic therapy, thermal laser treatment, or medications. Doctors may also recommend stopping steroids and bringing in lifestyle changes.

Conclusion:

People who notice any changes in their vision or experience pain or blurry vision should consult an Ophthalmologist as soon as possible. If a person is already suffering from any eye disease and experiences such symptoms, he/she should immediately seek medical attention without waiting for his/her next appointment.

In some cases, the fluid dissolves itself with no further medical treatment. However, if it does not, a variety of medicines and medical treatments are available.

Central Serous Retinopathy - What Should You Know?

Night blindness is also called nyctalopia.It's a type of vision impairment. People with night blindness experience poor vision at night or in dimly lit environments. It is not a disease in itself, but rather a symptom of an underlying problem, usually a retina problem.

What Causes Night Blindness?
A number of eye conditions can cause night blindness, including:
1. Nearsightedness or blurred vision when looking at faraway objects.
2. Cataracts or clouding of the eye's lens.
3. Retinitis pigmentosa, which occurs when dark pigment collects in your retina and creates tunnel vision.
4. Vitamin A Deficiency
5. Zinc Deficiency
6. Dry Eyes
7. Diabetes

Are the Symptoms of Night Blindness?
The sole symptom of night blindness is difficulty seeing in the dark. You're more likely to experience night blindness when your eyes transition from a bright environment to an area of low light, such as when you leave a sunny sidewalk to enter a dimly lit restaurant. You're likely to experience poor vision when driving due to the intermittent brightness of headlights and streetlights on the road.

How can I Prevent Night Blindness?
You can't prevent night blindness that's the result of birth defects or genetic conditions, such as Usher syndrome. You can, however, properly monitor your blood sugar level and eat a balanced diet to make night blindness less likely. 

Orange colored foods are excellent sources of vitamin A, including:
1. Cantaloupes
2. Sweet potatoes
3. Carrots
4. Pumpkins
5. Butternut squash
6. Mangoes

What are the Treatment Options for Night Blindness?
The treatment will depend on its causes.
1. Nutrient deficiency (Vitamin A and Zinc) is the easiest to treat. 
2. If the cause is cataract, you can go for cataract surgery to remove the clouded lens and replace it with artificial intraocular lens. Vision is usually dramatically improved after surgery. 
3. For dry eye syndrome, lubricate your eyes with artificial tear drops as they provide instant relief. Just make sure that they are without preservatives. 
4. Diabetic retinopathy can be prevented with tight control over blood sugar, active lifestyle and good dietary habits.
5. As for retinitis pigmentosa, unfortunately there are no treatments available. Thankfully, new research is showing that vitamin A might have a slowing effect on the progression of this eye disease.

Night Blindness: Causes and Symptoms

Did you know that your vision is responsible for around 80% of you sensory input? your eyes are among the most delicate organs in your body. Long work hours in front of the computer and long study hours results in tired and sometimes irritating eye conditions. But help isn't too far. Before you head to the doctor, you can head to your kitchen to look for solutions. There are several home remedies that you can try to not only improve your eyesight but also get rid of glasses and rebuild your vision! here's how you can do it:

1. Exercise: Just like any other body part, your eyes need exercise too. Blinking your eyes rapidly for 5 seconds helps moisturize it. Similarly, cupping your eyes with you palms for 4-5 minutes triggers acupuncture points that helps the eye to relax. There are specific exercises to reduce eye strain, improve blurred vision and enhance reading. Do these as per the specific problem you are facing.

2. Take a break: Follow the 10-10-10 rule when you are on the computer for extended hours. For every half hour of work, take a 10 min break to look at something n a distance at least 10 feet away for 10 seconds. These becomes tricky if you are studying or working in a fast paced environment and easily forget to take breaks. Set alarms that help you know the time so that you can actively plan your breaks. To enhance break time, try to look at greenery during your 10 sec break which helps the eyes relax better. Splash your eyes with cold water to give them a fresh feel.

3. Yoga: Yoga and meditation relaxes your body and mind. It is also a great way to relax your eyes as you get to close them and give them rest. When you close your eyes, you shut out a big chunk of sensory inputs helping your body go from an active reaction mode to a passive action mode.

4. Eat for your eyes: Make sure you add your weekly quota of vision enhancing food in you diet. Carrots which are rich in beta-carotene and vitamin a are great for the eyes. Similarly grapes and blueberries work great to improve your night vision. Green leafy veggies, garlic, shallots, eggs and onion all contribute in keeping your eyes healthy and strong. Cold water fish rich in DHA is an another great food that helps reduce dry eyes and muscular degeneration.

5. Change your lifestyle: Other than exercise and proper nutrients, you need to ensure you get a shut eye for six to eight hours every day to let your eyes fully rest and rejuvenate. As always drink 6 - 8 glasses of water. And don't forget to get regular eye check ups especially if you are a diabetic or have other health conditions that adversely affect your eyes.

Natural Remedies For Better Eyesight

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