What are the more common causes of low vision?

Disorders and/or diseases that can result in a person
having low vision (blurred vision) can be congenital or
acquired. Many congenital disorders affecting vision are
hereditary. The most common hereditary congenital disorders
are optic atrophy and cataracts. Other hereditary diseases
that affect an individuals vision in their first or second
decade of life are Bests disease,Stargardts disease, and
Retinitis Pigmentosa. Most individuals with blurred vision
have an acquired disease. The most common acquired diseases
that can cause vision loss are Age Related Macular
Degeneration, Diabetes, and Glaucoma.