A patient’s facial contours can impact their visual field during glaucoma testing, according to a speaker at the Women in Ophthalmology Summer Symposium. Cheryl Khanna, MD, of the Mayo Clinic in ...

Thalassaemia can cause a decrease in visual acuity, the ability to see clearly. Visual field defects, where certain areas of vision are impaired, can also occur.

"Carrying equipment through mountain passes is very difficult," explained lead researcher Chris Johnson, PhD, director of the Visual Field Reading Center at the University of Iowa in Iowa City.