How are visual impairments diagnosed?


In order to detect most visual impairments, your doctor will start with the standard eye chart test. You may have to look through a series of different lenses as well. Sometimes your doctor will shine lights in your eyes and look deep into your pupils for damage to your retina and optic nerve. Your pupils will usually be dilated for this test. Pressure on the optic nerve is checked through a test called tonometry. Finally, communication with your doctor will help determine what may be causing your visual impairment.

Continue Learning about Visual Impairments

Visual Impairments

Optical issues with the eye are quite common, possibly because we started as cavemen who did not have to read tiny letters on a computer screen as you may be doing right now. Conditions that may be corrected with optics include as...

tigmatism, near and far sightedness and some forms of visual field distortion. Some eyes have trouble seeing color the way other's do. This is called color blindness, and is more common in men. As we age there are common diseases and concerns including cataracts and glaucoma. Having diabetes can make you more likely to develop retinopathy, when blood vessels in the retina break and leak into the eye. Some conditions may lead to partial or total blindness. Legal blindness is a legal term more than a medical one, but meeting the standard for legal blindness can qualify you for special help.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.