Vitamin A and thyroid hormones in the retina shape fetal vision
Humans develop sharp vision during early fetal development thanks to an interplay between a vitamin A derivative and thyroid…
Extinct Hawaiian Ibis Had Unusually Small Eyes and Limited Visual Capacity, Study Says
Apteribis, an extinct species of ibis that once inhabited the Hawaiian Islands, occupied a niche similar to that…
Posture-induced retinal vascular response predicts diabetic retinopathy progression
Diabetic retinopathy develops through complex microvascular damage driven by chronic hyperglycemia, yet traditional risk factors such as disease…
Study links eye movements to real-time memory retrieval
The eyes may reveal how experiences are recalled according to new Baycrest research that suggests that shifts in…
Blood gene signals reveal Parkinson’s risk years before diagnosis
Blood-based DNA repair and stress-response signals reveal a brief molecular window preceding Parkinson’s diagnosis. Study: Longitudinal assessment of…
Chlamydia pneumoniae found in the eye may aggravate Alzheimer’s disease
Chlamydia pneumoniae—a common bacterium that causes pneumonia and sinus infections—can linger in the eye and brain for years…
WVU researchers explore how to restore vision in people with inherited blindness
A research team at the WVU is studying how to restore vision in people who develop a form…
Transforming throat signals into speech for stroke patients
By reading subtle throat vibrations and pulse signals, a lightweight AI-powered choker helps stroke survivors communicate more smoothly,…
NZ agencies have eye on ‘largest solar radiation storm in more than 20 years’
Early Tuesday morning, NOAA’s Space Weather Prediction Center (SWPC) posted on X: “An S4 severe solar radiation storm…
Scientists discover how stem cells navigate and repair brain damage after stroke
Some parts of our bodies bounce back from injury in fairly short order. The outer protective layer of…
Greenland shark eyesight offers clues to longevity, vision, and healthy aging
Dorota Skowronska-Krawczyk sits in her office, eyes fixed on the computer monitor in front of her. “You see…
Rethinking Mendelian assumptions in inherited retinal degenerations
Dec 22 2025 A new study challenges what’s long been assumed about genetic variants thought to always cause…