what are the causes of poor vision in man?
['Macular Degeneration. ... ', 'Cataracts. ... ', 'Glaucoma. ... ', 'Diabetic Retinopathy. ... ', 'Retinitis Pigmentosa. ... ', 'Amblyopia. ... ', 'Retinopathy of Prematurity (ROP). ... ', 'Retinal Detachment.']