Medically reviewed by Christine L. Larsen, MD Key Takeaways Being legally blind means having central visual acuity of 20/200 ...

What is the farthest a human can see? What is the best recorded visual acuity? How far is the horizon? I am often asked these questions by clinicians and non-ophthalmologists and thought many of you ...

In visually impaired older adults, broken flooring, such as torn carpet, had the greatest fall risk at a 47% increase, followed by tripping hazards, like unsecured throw rugs or electrical cords, at ...

Two recent clinical reports of retinal gene therapy with adeno-associated virus (AAV) vectors in patients with Leber’s congenital amaurosis showed initial gains in visual function that subsequently ...