Total blindness is not regarded low vision because there continues to be some sight with low vision. Low vision is in most cases linked to those that are legally blind and require vision aids. Legally Blind: Visual acuity no better than 20/200 with conventional correction and/or quizzes limited field of regard less than 20 levels wide. 20/30 examination 20/60: Mild vision loss, or near normal vision 20/70 exam 20/160: Moderate visual impairment, or moderate low vision 20/200 examination 20/400: Severe visual impairment, or severe low vision 20/500 exam 20/1,000: Profound visual impairment, or profound low vision less than 20/1,000: Near total visual impairment, or near total blindnessLow vision can result from quizzes variety of situations that can include inherited diseases, birth defects, macular degeneration, glaucoma, cataracts, and physical injuries. It could also result from such circumstances as diabetes, cancer of University eye, albinism, or quizzes brain injury. Eye care experts can diagnose low vision by using lighting fixtures, magnifiers, and visual checking out charts.
Total blindness is not regarded low vision because there continues to be some sight with low vision. Low vision is in most cases linked to those that are legally blind and require vision aids. Legally Blind: Visual acuity no better than 20/200 with conventional correction and/or quizzes limited field of regard less than 20 levels wide. 20/30 examination 20/60: Mild vision loss, or near normal vision 20/70 exam 20/160: Moderate visual impairment, or moderate low vision 20/200 examination 20/400: Severe visual impairment, or severe low vision 20/500 exam 20/1,000: Profound visual impairment, or profound low vision less than 20/1,000: Near total visual impairment, or near total blindnessLow vision can result from quizzes variety of situations that can include inherited diseases, birth defects, macular degeneration, glaucoma, cataracts, and physical injuries. It could also result from such circumstances as diabetes, cancer of University eye, albinism, or quizzes brain injury. Eye care experts can diagnose low vision by using lighting fixtures, magnifiers, and visual checking out charts.
