News

Confrontation visual field test. You wear a blindfold while your doctor holds up different fingers in your peripheral vision and asks what you see. Automated static perimetry test.
A color vision test, also known as the Ishihara color test, measures your ability to tell the difference among colors. If you don’t pass this test, you may have poor color vision, or your doctor ...
Steinhauer said an individual’s normal field of vision can be compromised by a stroke. Visual processing which occurs on the occipital, temporal and parietal lobes of the brain can be impacted.
Vision is usually measured by visual acuity charts, and normal vision is expressed as 20/20. Contrast sensitivity concerns a different but equally important part of vision.
A 23-year-old woman presented with vertigo and vision loss affecting the right eye. Hearing loss and tinnitus of the right ear developed. Fluorescein angiography revealed delayed filling of two art ...
Smartphones Are So Smart They Can Now Test Your Vision : Goats and Soda In a new study, an easy-to-use app did just as good a job as the machines in an eye doctor's office. That's a boon for ...
Eye floaters are specks in a person’s vision. They are normal and not necessarily harmful. It is not always possible to prevent them, and they may not require treatment. Learn more about eye ...
After people finished reading, they were strongly urged to be as motivated as possible and try hard to perform well in the vision test. The test was conducted while the simulator was inactive ...