Tag: ophthalmology

What is Wavefront Aberrometry?

Diagnosing the degree of vision impairment is a difficult task for even experienced optometrists, since it depends on the subjective response of the person tested. Normally, it is based on reading out or describing letters or shapes on an eye chart. In many cases the person may not actually be reading out the letter seen,

Macular degeneration linked to aging immune cells

As people age, their immune systems age, too. And new research at Washington University School of Medicine in St. Louis suggests that aging immune cells increase the risk for age-related macular degeneration, a major cause of blindness in the United States. Studying mice and cells from patients, the researchers found that as immune cells called