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Doctor insights on: Color Blindness Eye Health

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Dr. David Chandler
78 doctors shared insights

Color Blind (Definition)

Ophthalmologist prefer to use the term color deficit as blindness conveys other meanings. Lowered color perception can be inherited (many forms), can result from advanced loss of retinal cells, inherited retinal disease, and some forms occur due to CNS injury. There are excellent tests for the various types and they can be functionally ...Read more


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Can eye color change?

Can eye color change?

Unusual: Eye color change in adults can signal a specific type of glaucoma. But very often, it seems that the eye color lightens, but this is due to haze in the cornea that can come with aging. ...Read more

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Someone became blind from cataract, would their eye color change?

Someone became blind from cataract, would their eye color change?

Might turn white: An advanced untreated cataract will eventually turn white in the pupillary space. If still untreated, some will dissolve and lose the white color but more often will rupture and set up a terrific inflammation inside the eye. In this era, cataract removal is so predictable and safe that advanced cataracts should be rare. ...Read more

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Does pink eye cause blindness?

Does pink eye cause blindness?

Pink eye is a "cold": No, pink eye is a viral infection of the conjunctiva that will run a typical course in about a week, just like the common cold. There can be temporary vision disturbances in some cases but there is no risk of permanent vision loss or blindness. ...Read more

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Concerned about my mothers eye sight- cataracts & losing vision in eye during auras?

Concerned about my mothers eye sight- cataracts & losing vision in eye during auras?

See an eye doctor: Cataracts are clouding of the natural lens of the eye. They are a reversible cause of decreased vision and should be evaluated by an ophthalmologist/cataract surgeon if they are interfering with vision. Auras describe a phenomenon of scintillating lights that begin on the side and move centrally. This is associated with migraines or just ocular migraines. See your dr. To rule out other causes. ...Read more

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How come black eyes don't cause permanent eye color changes?

How come black eyes don't cause permanent eye color changes?

The darkness of : Skin around the eyes that comes from bruising is eventually absorbed back into the body. ...Read more

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Are color sunglasses lenses bad for your eyes?

Are color sunglasses lenses bad for your eyes?

Not color, quality: It is not so much the color or shade of the sunglasses but the quality of the lens in protecting you from uva and uvb sunlight. Look for high quality or brand name sunglasses that states 100% uva and uvb protection. ...Read more

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Lt.eye mac.pucker.Corrected vision 20/40 µpsia.Amsler grid nl.Corrected vision 20/40.Age 69.Could the macuar pucker cause micropsia?Rt. eye20/30.

Lt.eye mac.pucker.Corrected vision 20/40 &micropsia.Amsler grid nl.Corrected vision 20/40.Age 69.Could the macuar pucker cause micropsia?Rt. eye20/30.

Micropsia: Yes, it can if the macular pucker is severe enough. Micropsia is a condition in which objects are perceived to be smaller than they actually are. Micropsia can be caused by optical factors (such as wearing glasses), by distortion of images in the eye (such as optically, via swelling of the cornea or from changes in the shape of the retina such as from retinal edema,macular degeneration, and more ...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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How does interocular lens affect eye color?

How does interocular lens affect eye color?

It doesn't: The eye color is determined by the pigmentation of the iris. The intraocular lens is placed behind the iris after removal of the cloudy lens (cataract). When you are looking at (or through) the lens, you are seeing the pupil of the eye, which appears dark. Some types of lens implants can cause some reflections or glistening appearance, but they do not change eye color. ...Read more

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Can getting pink eye damage your eye sight?

Can getting pink eye damage your eye sight?

In general, no.: Although the puffiness can result in blurry vision initially. Several infections can however cause scarring and vision issues these include herpes simplex kertaoconjunctivitis as well as trachoma, a chronic chlamydial infection of the conjunctiva. ...Read more

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Can toric lens cause vision to have yellow tint in treated eye?

Can toric lens cause vision to have yellow tint in treated eye?

It is possible: Some of the newer toric lens implants have a light yellow tint which is designed to reduce glare. If the other eye has a clear lens implant some patients will notice a small difference between the two eyes. If the other eye has an early cataract which is also slightly yellow, or a matching implant, few people can see a difference. Most will adapt and not notice after a few weeks. ...Read more

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Can eye color change with honey, msm and arbutin eye drops?

Can eye color change with honey, msm and arbutin eye drops?

No: This does not work to change eye color. There are a few medications used to treat high pressure in the eye that can darken the eyes. The most common way to change eye color is to wear colored contact lenses. ...Read more

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How is color blindness inherited?

How is color blindness inherited?

Sex linked: The most common form is carried on the X chromosome and so it manifests more commonly by far in males who lack a corresponding X (as women do ) to compensate (males have a sort Y chromosome). It is therefore passed on to a male child from his mother who carries a defective X (and most likely a normal X matching it so she is not color deficient.). ...Read more

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Does color eye contacts expire?

Does color eye contacts expire?

Color contacts: Do not buy color contacts without first having a contact lens fitting and a full dilated eye exam. All the rules that apply to contact lens wearers similarly apply to color contact lens wearers. Just because they are cosmetic for some people doesn't mean they should not be worn responsibly. Do not share color contacts with your friends. ...Read more

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Temporary blurry vision with blind spot in right eye?

Temporary blurry vision with blind spot in right eye?

See an eye MD: It might be nothing or something as simple as a migraine. But it also could represent a blocked blood vessel that supplies the eye (almost like a mini stroke). You need to see an ophthalmologist who will determine whether any additional testing is required. ...Read more

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Whats "impaired" color vision?

Whats "impaired" color vision?

Imperfect perception: Impaired color vision is when a persons color perception is more limited than a "normal". The degree of impairment is related to the degree of inability to distinguish color differences. There are good tests to make this determination. in your ophthalmologist;s office ...Read more

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Loss of eye sight in one eye?

Loss of eye sight in one eye?

Serious issue: If you had good vision in one eye which is now fading or worse if it suddenly went away, you should see an ophthalmologist for evaluation. The list of possibilities includes things like strokes in the eye, diabetes, optic neuritis, bleeding and infection. Most conditions with loss of one eye are serious and need attention. ...Read more

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Dr. Damien Luviano
65 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


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