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Doctor insights on: Vision Impairment And Blindness

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I have really dim vision at night. Could it be night blindness?

I have really dim vision at night. Could it be night blindness?

Night blindness: Decreased vision in dim illumination can be normal or it may be related to eye related disease. See an eye doctor to determine the cause and initiate proper treatment. ...Read more

Dr. Damien Luviano
67 Doctors shared insights

Blindness (Definition)

Vision impairment and blindness are conditions in which a person cannot see well or see at all, even with glasses or contact lenses. If a person's best vision (with correction) out of either eye is only 20/70 - 20/200, he is impaired. If he can see no better than 20/200 or his visual field is no more than 20 degrees (severe "tunnel" vision), ...Read more


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Are there treatments for vision impairment and blindness?

Are there treatments for vision impairment and blindness?

Of course: Many treatments including the provision of lenses, topical and systemic medications, laser treatment and a variety of surgical options can help many with lowered vision and even some that are apparently blind. Check with you ophthalmologist to see which of these is present if you are the patient. ...Read more

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How to get rid off blind pimple overnight?

How to get rid off blind pimple overnight?

Overnight cures: There is no such "overnight " cure for blind pimple.
See your dermatologist or family practitioner for best diagnosis and treatment ...Read more

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What is the definition or description of: Vision impairment and blindness?

What is the definition or description of: Vision impairment and blindness?

Lowered vision: Vision impairment is the condition in which the corrected vision does not equal normal. Blindness is a legal definition and may include 20/200 which is the limit for legal blindness in most States but there are various levels of blindness down to absolute blindness in which no light can be seen at all. ...Read more

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Are there treatments for vision impairment and blindness?

Of course: Many treatments including the provision of lenses, topical and systemic medications, laser treatment and a variety of surgical options can help many with lowered vision and even some that are apparently blind. Check with you ophthalmologist to see which of these is present if you are the patient. ...Read more

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I have really dim vision at night. Could it be night blindness?

Night blindness: Decreased vision in dim illumination can be normal or it may be related to eye related disease. See an eye doctor to determine the cause and initiate proper treatment. ...Read more

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What is tunnel vision and temporary blindness?

What is tunnel vision and temporary blindness?

Tunnel vision: Tunnel vision (also known as kalnienk vision) is the loss of peripheral vision with retention of central vision, resulting in a constricted circular tunnel-like field of vision. ...Read more

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Clouded vision causing blindness, what could this be?

Clouded vision causing blindness, what could this be?

Many questions: Is this recent or a gradual loss? Is it one eye or both eyes? Is there a history of trauma, eye disease or systemic disease? Are you on medications for non-eye problems? Is the vision loss silent, or are the eye (s) in pain, and getting red? For most of these, you need to have an ophthalmologist evaluate your eyes and hopefully can intervene to prevent loss of vision. ...Read more

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How does one get a visual impairment and blindness certificate?

States may differ: Sounds like you are asking how to be recognized as either visually impaired or blind. The process would involve a medical examination that verifies your loss of visual acuity and function. This is done by an optometrist, ophthalmologist, or primary doctor. The certificate of the disability is then, issued by the state's rehabilitation/disability board. Process for this varies with the state. ...Read more

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Can someone help please? My vision in sunlight is better than sunset time, am I suffering from night blindness?

Can someone help please? My vision in sunlight is better than sunset time, am I suffering from night blindness?

See your doctor: You may need to be tested for eye diseases if you have true night blindness. If it is just harder to see, there are many causes of this. See your ophthalmologist. ...Read more

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Could standing up really fast make your vision blur and have temporary blindness?

Could standing up really fast make your vision blur and have temporary blindness?

Low blood pressure: When you stand or sit, the blood rushes from your head causing dizziness and loss of vision. This is more common in people who have low blood pressure and on those who are taking hypertensive medications. ...Read more

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I know that rp can cause visual impairment and blindness, but does it always cause blindness?

I know that rp can cause visual impairment and blindness, but does it always cause blindness?

See below: There are several varieties of retinitis pigmentosa, some more severe than others. Many do not go on to blindness. You should be monitored regularly by a retina specialist. ...Read more

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Still having moments of flashing light in peripheral vision which causes blindness of 1-2 seconds. What is it?

Still having moments of flashing light in peripheral vision which causes blindness of 1-2 seconds. What is it?

Migraine or retina: I migraine can cause this but usually lasts for up to 20 minutes. A pulling on the retina by the vitreous gel can do this as well and can lead to a tear in the retina. Please have a dilated exam by an ophthalmologist to be sure. ...Read more

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I am wondering if there are any hereditary causes of progressive loss of vision to complete blindness that typically don't occur until an adult/elderly?

Herediary loss: Of vision has many causes. One common cause is macular degeneration, which many think is at least partially inherited. One more unusual cause is retinitis pigmentosa. This typically causes gradual deterioration during adult life. ...Read more

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How do you know if you have decreased night vision or some night blindness?

How do you know if you have decreased night vision or some night blindness?

Comparison: If you think you have difficulty at night, and are not embarrassed to ask, then compare your recovery when entering a dark place from the light with a friend who can tell you when he recovers versus your recovery time. You can experience this issue if present if you enter a dark movie theater from bright outside and have a prolonged period to see well enough to find a seat. ...Read more

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If a person has MS is it common to not have total blindness, but have delayed reading vision?

If a person has MS is it common to not have total blindness, but have delayed reading vision?

Yes.: Ms causes problems with the optic nerve. This transmits eyesight to the brain. Vision can be dimmed an this is noted more for detection of colors and in dim light. This can be detected by an eye exam and a test called a visual field. ...Read more

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At night, ith spectacles on, I have same vision as with them off. Am I suffering from night blindness?

At night, ith spectacles on, I have same vision as with them off. Am I suffering from night blindness?

As we get older,: We tend to see less distinctly at night due to loss of retinal rod cells over the years. Your experience is not definitive, and if you are losing ability to see well at night, an eye exam will be very useful, and could potentially reverse some or most of your problems. ...Read more

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How long does it take to regain color vision after stopping medication that was causing color blindness?

Color blindness: The color hue from certain medications should reverse with stopping that medicine. There are some medications that if the color vision has been affected then the damage is done and not reversible. The color vision defect with these is more advanced. ...Read more

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I have a crushed optic nerve that caused blindness and now my son of 8 years vision goes from dark to light what is this?

Sounds unrelated: The injury you sustained sounds traumatic. Your son is having different symptoms that are clearly no related to trauma. He should be able to cooperate with a good ophthalmology examination. His symptoms may be related to growing and maturing. He should protect his vision when out in the bright sun, and he should exercise his vision with good reading habits. ...Read more

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How can I stop worrying about having a disease that can cause vision loss or blindness (glaucoma). Dr says treatments may control it but no guarantee?

How can I stop worrying about having a disease that can cause vision loss or blindness (glaucoma). Dr says treatments may control it but no guarantee?

Support group: Http://www.glaucoma.org/treatment/questions-and-answers-living-with-glaucoma. Php. A reference for you. I recommend support group contact In your area: GOOGLE glaucoma support Groups & attend a social gathering of sim. Affected. I have found this particularly helpful. Remember that greater than 85% of affected people live well with glaucoma. You still have to be diligent with therapy & follow up. ...Read more

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Hey docs, I am wondering if there are any hereditary causes of progressive loss of vision to complete blindness that typically don't occur until an adult/elderly?

Hey docs, I am wondering if there are any hereditary causes of progressive loss of vision to complete blindness that typically don't occur until an adult/elderly?

Yes: The most common in this category is one of the family of diseases that cause retinal degeneration termed retinitis pigmentosa. There are also some cornea diseases that can do this also although corneal transplantation frequently can help these. There are a few rare optic nerve diseases inherited that do this with names like Lebers disease and choroideremia. ...Read more

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What can cause temporary blindness and blurred vision?

Numerous causes: An ophthalmologist is needed here, and should check for retinal detachment, glaucoma, increased intracranial pressure, blood pressure issues (both up and down), and other intracranial issues. Do not delay, this needs immediate attention. ...Read more

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What can I do to treat temporary blindness and blurred vision?

Temp blindness: If you are having temporary blindness, you need to get checked out by an eye specialist ASAP. Temporary blindness, also known as amaurosis fugax, can be a sign of impending stroke or other fatal or debilitating conditions. You may need a doppler ultrasound study of the carotid arteries. ...Read more

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What is "impaired color vision"? Something like color blindness?

Color perception: Color vision can be altered in the usual way by inherited defects in the color perceptive elements of the retina. But advanced retinal disease like diabetes can impair color recognition; and changes in the color of the lens, and a few odd types of strokes and optic nerve disease all can alter color recognition patterns. Your ophthalmologist can sort this out for you. ...Read more

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I have low vision disability in the evenings. Do I have night blindness?

I have low vision disability in the evenings. Do I have night blindness?

Diminished vision at: Night may be a sign of a variety of problems. It could encompass any portion of the visual pathway from your natural lens (cataract) to the retina (dystrophies, degeneration, etc.) and optic nerve (optic neuropathy, neuritis, etc.). A comprehensive exam from your ophthalmologist should elicit the pathology and subsequently a treatment plan if possible. ...Read more

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Could total blindness caused by retinal detachment be treated so that vision can be regained?

Could total blindness caused by retinal detachment be treated so that vision can be regained?

Unlikely: Current medical knowledge cannot improve upon this situation. The optic nerves in your eyes perhaps are fine and work is being done on photoelectric devices to give a little vision in this situation. Stem cells may help also in the future. Stay tuned. ...Read more

Dr. Tim Conrad
444 Doctors shared insights

Loss Of Vision (Definition)

Loss of vision reflects the inability to perceive images. Such a phenotype can be due to occlusive or barriers to light (e.g. cataracts) through retinal alterations (e.g. wet macular degeneration) to optic nerve lesions (e.g. from a pituitary adenoma) to central nervous system ...Read more


Dr. Richard Bensinger
1,734 Doctors shared insights

Vision (Definition)

Vision is a feature of a person's brain that allows him to see. He must have normal eyes, optic nerves (that stretch from the eyes to the back of his brain), and visual cortex (the vision center in the brain), in order to see properly. An ophthalmologist is a ...Read more