Visual impairment is caused by eye conditions or diseases and some of which are:
* Macular degeneration. This is a disorder that can affect the retina of the eyes. This is sensitive to light and located at the back of the eye where an image is focused. The most common type is related to aging called non-exudative or dry in form. This is where the loss of vision can progress slow.
* Retinitis Pigmentosa. This can gradually destroy night vision and even normal visual functioning because of the illness.
*Diabetic Retinopathy. This is a common condition experienced by patients with diabetes. It happens when there is a visual change caused by diabetes.
* Retinitis Pigmentosa. This gradually destroys night vision and can greatly reduce side vision which can lead to impairment of total vision.
* Amblyopia. This is when the visual systems fail to develop normally
* Cataracts. This is an eye condition where there is a clouding part of the eye or the entire lens in the eye is affected.
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