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Retinitis Pigmentosa Health Feed

What is the latest treatment/news from worldwide for retinitis pigmentosa diagnosed at early childhood (9 yrs). Grandma has also severe retinitis pigmentosa in both eyes.

Dr. Jatin Soni 97% (38714 ratings)
MBBS
General Physician, Mumbai
What is the latest treatment/news from worldwide for retinitis pigmentosa diagnosed at early childhood (9 yrs). Grand...
As it is a genetic disease and hence symptomatic treatment needs to be given and use sun glasses while going in direct sunlight and not to allow him to drive vehicles in future
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Retinitis Pigmentosa: Causes, Symptoms and Treatment

DOMS
Ophthalmologist, Ahmedabad
Retinitis Pigmentosa: Causes, Symptoms and Treatment

Are you losing your sight day by day? Does it make difficult to see you at night? Is this the onset of Blindness? Get to know about Retinitis Pigmentosa with these tips.

What actually is Retinitis Pigmentosa?
Retinitis Pigmentosa (RP) refers to a group of diseases, which causes a slow, but progressive vision loss. It is a genetic disorder that affects the ability to respond to light.This inherited disease causes a slow loss of vision, beginning with decreased night vision and loss of peripheral (side) vision and eventually results in blindness.

Causes: Retinitis pigmentosa is often hereditary (runs in families). If you or your partner has retinitis pigmentosa, there may be up to a 50 percent chance that you will pass it on to your children. Ask your ophthalmologist about genetic counseling if you are planning to have children.

Symptoms

  1. Slow loss of vision
  2. Beginning of decreased night vision
  3. Loss of peripheral vision
  4. Difficulty in identifying colours

Diagnosis: If you have poor night vision or a loss of side vision or if there is a history of retinitis pigmentosa in your family, your ophthalmologist will conduct a comprehensive eye exam to determine if you have retinitis pigmentosa. Your ophthalmologist will dilate your eyes to look at the back of them for signs of disease.

Treatment: Currently there is no known cure for retinitis pigmentosa. However, research has shown that vitamin A palmitate may slow the progression of certain forms of RP. Your ophthalmologist can advise you about the risks and benefits of vitamin A palmitate and how much you can safely take. Taking too much vitamin A palmitate can be toxic, and evidence of vitamin A palmitate effect on RP progression is not substantial.
Another recommendation for slowing vision loss from RP is to wear sunglasses to protect your retina from harmful ultraviolet (UV) light.

Retinal prosthesis is also an important area of exploration because the prosthesis, a man-made device intended to replace a damaged body part, can be designed to take over the function of the lost photoreceptors by electrically stimulating the remaining healthy cells of the retina.

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

3528 people found this helpful

7 Causes Behind Night Blindness!

DOMS
Ophthalmologist, Ahmedabad
7 Causes Behind Night Blindness!

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. In case you have a concern or query you can always consult an expert & get answers to your questions!
3689 people found this helpful

Refraction - Factors That Result in Abnormal Results!

Dr. Satish 85% (17 ratings)
MS - Ophthalmology, MBBS
Ophthalmologist, Noida
Refraction - Factors That Result in Abnormal Results!

Refraction is a test for eye examination, which measures prescription for eyeglasses or contact lenses for individuals. The test can be performed by either an ophthalmologist or optometrist or in layman terms, an eye doctor.

Procedure for the test
In this test, the individual sits on a chair, which has a special device attached to it, called the refractor or phoropter. The individual has to look through the device and properly focus on an eye chart which is exactly 6 meters or 20 feet away. This device has lenses of various strengths that can be moved into the individual’s view. The test is conducted on one eye at a time. The doctor will be asking the individual about the chart whether it appears clearer or less clear, thereby determining the refractory error of the eye.

No special preparation is required for this test and also this test does not cause any discomfort. The purpose of the test is to determine whether the individual has a need for glasses or contacts or not. In other words, it checks if the individual has a refractory error or not.

How can the results be inferred?
If the vision without glasses is normal, it means that the refractive index is zero and the vision should be 20/20. This means that one can read a one-centimeter letter at a distance of six meters.
If an individual has a refractive error, a combination of lenses will be required for a 20/20 vision. In case of a refractive error, there would be a prescription and that would have in it a series of numbers describing the power of the lens required to correct the vision.

Abnormal results can be due to the following reasons

  1. Myopia or near-sightedness (capability to see near objects clearly, but having difficulty in seeing objects far away)
  2. Hypermetropia or far-sightedness (capability to see far away objects clearly, but not the nearby objects)
  3. Astigmatism (blurred vision due to abnormally curved cornea)
  4. Presbyopia (inability to see nearby objects clearly, which usually occurs due to age)

Other reasons that cause abnormal results can be

  1. Macular degeneration causing loss of sharp vision
  2. Corneal infections or corneal ulcers
  3. Retinal detachment, which means separation of the retina from its supporting layers
  4. Retinitis pigmentosa or damage of the retina
  5. Blockage of a small artery carrying blood to the retina or retinal vessel occlusion

One should have an eye examination conducted every three to five years even if they suffer from no serious eye problem. However, after the age of 40, one should schedule eye appointments every year and have a test for refraction error of glaucoma conducted.

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

2486 people found this helpful

Retinitis Pigmentosa: Causes, Symptoms and Treatment

Dr. Varun Gogia 89% (12 ratings)
MBBS, MD - Ophthalmology, Vitreoretina and Uvea
Ophthalmologist, Gurgaon
Retinitis Pigmentosa: Causes, Symptoms and Treatment

Are you losing your sight day by day? Does it make difficult to see you at night? Is this the onset of Blindness? Get to know about Retinitis Pigmentosa with these tips.

What actually is Retinitis Pigmentosa?
Retinitis Pigmentosa (RP) refers to a group of diseases, which causes a slow, but progressive vision loss. It is a genetic disorder that affects the ability to respond to light.This inherited disease causes a slow loss of vision, beginning with decreased night vision and loss of peripheral (side) vision and eventually results in blindness.

Causes: Retinitis pigmentosa is often hereditary (runs in families). If you or your partner has retinitis pigmentosa, there may be up to a 50 percent chance that you will pass it on to your children. Ask your ophthalmologist about genetic counseling if you are planning to have children.

Symptoms

  1. Slow loss of vision
  2. Beginning of decreased night vision
  3. Loss of peripheral vision
  4. Difficulty in identifying colours

Diagnosis: If you have poor night vision or a loss of side vision or if there is a history of retinitis pigmentosa in your family, your ophthalmologist will conduct a comprehensive eye exam to determine if you have retinitis pigmentosa. Your ophthalmologist will dilate your eyes to look at the back of them for signs of disease.

Treatment: Currently there is no known cure for retinitis pigmentosa. However, research has shown that vitamin A palmitate may slow the progression of certain forms of RP. Your ophthalmologist can advise you about the risks and benefits of vitamin A palmitate and how much you can safely take. Taking too much vitamin A palmitate can be toxic, and evidence of vitamin A palmitate effect on RP progression is not substantial.
Another recommendation for slowing vision loss from RP is to wear sunglasses to protect your retina from harmful ultraviolet (UV) light.

Retinal prosthesis is also an important area of exploration because the prosthesis, a man-made device intended to replace a damaged body part, can be designed to take over the function of the lost photoreceptors by electrically stimulating the remaining healthy cells of the retina.

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

3558 people found this helpful

My relatives has been diagnosed as suffering from retinitis pigmentosa in both eyes. Is there any treatment for retinitis pigmentosa in both eyes in allopathy?

Dr. Sajeev Kumar 97% (25961 ratings)
C.S.C, D.C.H, M.B.B.S
General Physician, Alappuzha
My relatives has been diagnosed as suffering from retinitis pigmentosa in both eyes. Is there any treatment for retin...
RP is an inherited disorder that results from harmful changes in any one of more than 50 genes. These genes carry the instructions for making proteins that are needed in cells within the retina, called photoreceptors. Some of the changes, or mutations, within genes are so severe that the gene cannot make the required protein, limiting the cellís function. Other mutations produce a protein that is toxic to the cell. Still other mutations lead to an abnormal protein that doesnít function properly. In all three cases, the result is damage to the photoreceptors.A number of services and devices are available to help people with vision loss carry out daily activities and maintain their independence. In addition to an eye care professional, itís important to have help from a team of experts, which may include occupational therapists, orientation and mobility specialists, certified low vision therapists, and others. NEI has more information on living with low vision.
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Q.1-What are the treatment regarding retinitis pigmentosa in all type medicines? Q.2-Name a good doctor to whom I would consult for retinitis pigmentosa?

Dr. Jayvirsinh Chauhan 94% (12508 ratings)
MD - Homeopathy, BHMS
Homeopath, Vadodara
Q.1-What are the treatment regarding retinitis pigmentosa in all type medicines?
Q.2-Name a good doctor to whom I wou...
Consult a homoeopath.. and cant name the medicine as there r many and only after details i will be able to select.
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Usher Syndrome - Things You Must Know!

Dr. Priyanjana Acharyya Sharma 93% (61 ratings)
MBBS, MS - ENT ( Gold Medalist Honors )
ENT Specialist, Gurgaon
Usher Syndrome - Things You Must Know!

Usher syndrome is a genetic disorder that is characterized by complications in vision and hearing; the most common of them being partial/complete loss of hearing and retinitis pigmentosa. Retinitis pigmentosa is characterized by progressive deterioration of the retina, resulting in deprivation of peripheral vision and subsequent night blindness.

The symptoms and its rate of progression usually vary among people. Usher syndrome is classified into three types:

  • Type 1: In this type, children are born with balance issues and hearing loss problems. The symptoms of night blindness and loss of peripheral vision associated with ‘Retinitis Pigmentosa’ only appear in the early stages of adolescence.
  • Type 2: In type 2, children are born with moderate to mild hearing loss problems. Retinitis Pigmentosa develops soon after the child reaches adolescence.
  • Type 3: In type 3 Usher Syndrome, children are usually born with normal hearing skills, however, loss of hearing and Retinitis pigmentosa occur soon after puberty.

Causes
Hearing loss in Usher syndrome occurs when the nerve cells that are present in the cochlear (inner ear’s spiral cavity) are affected by genetic mutation. A similar problem occurs in the cells of the retina leading to loss of vision. These cells allow conversion of light into electrical signals for the brain to interpret them. Both the parents need to pass the mutated gene to the child for it to be affected. If the child has only one gene, then he/she rarely develops the symptoms.

Treatment
This disorder does not have any prescribed course of treatments. The vision loss that occurs in this disorder can be slowed down by nutritional therapy. This therapy involves providing the body with essential amounts of vitamin A which can help in reducing vision loss. If you wish to discuss about any specific problem, you can consult an Ent Specialist.

2809 people found this helpful

Sir my friend suffering from retinal pigmentosa he wants to know at what age he will be almost blind did you saw any of retinal pigmentosa patients can able to maintain their vision is all retinal pigmentosa patients are same or they are different from losing their vision early can he can able to maintain vision upto 60 years of age is it possible please give advice how to maintain the vision.

Dr. Vaibhev Mittal 90% (3368 ratings)
Fellowship In Comprehensive Ophthalmology, DOMS
Ophthalmologist, Sangrur
Sir my friend suffering from retinal pigmentosa he wants to know at what age he will be almost blind did you saw any ...
Hello 1. Retinitis pigmentosa is a progressive disease 2. Speed of progression varies from person to person. I have seen patients going bling at young age of 30 years and I have seen patients having good vision even at age of 50 yrs. So, you can go for 6 months perimetry test and that will guide you the rate of progression.
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