Dry eye disease is a chronic condition estimated to affect around 360 million people. Common symptoms include uncomfortable, red, scratchy or irritated eyes. Anecdotal claims are that laughter…

To adult audiences in 1977, "Star Wars" was the most realistic special effects they had ever witnessed while to younger people of today, the defects are obvious. Some of that is due to better…

Sixteen-year-old Karl is seen for the first time in my optometry practice. He was referred to me for a fluctuating vision problem. During his examination, I saw signs suggesting he may have diabetes…

Multimodal adaptive optics imaging has revealed photoreceptor and retinal pigment epithelium relationships in eyes with vitelliform macular dystrophy.  Vitelliform macular dystrophy (VMD) is an…

Dyslexia is well-known to impact reading ability but it has been unclear which brain processes are affected by the condition. Whether dyslexia is, at its core, a visual processing disorder is hotly…

Some people believe that marijuana can be medical but almost no marijuana users think it impairs their vision. Though over 90 percent of users believe that cannabis has no effect on their vision, or…

A new paper finds that widely available retinal imaging techniques may help reveal more about brain disease and monitor treatment efficacy, including a currently untreatable form of childhood-onset…

With racial tension erupting again, parents may be wondering the appropriate age to discuss what kids see in news accounts or in protests at sporting events.  Psychologists believe that some…

One symptom of post-traumatic stress disorder (PTSD) is intrusive visual reminders of a traumatic event. New research in Current Biology finds that the brain uses similar visual areas for mental…

Sildenafil (viagra) is used to treat erectile dysfunction and is safe, with known side effects, but a few people have experienced light sensitivity and color vision impairment at the highest…