Mindblown: a blog about philosophy.
-
Retinal Vein Occlusion: Two Common Injections Performed Similarly in a Review of Head-to-Head Trials
A retinal vein occlusion is a blockage in one of the veins that drain blood from the retina. It can cause fluid to build up in the macula, the center of sharp vision, a problem called macular edema. The first-line treatment is a series of injections of anti-VEGF medicine into the eye. Two widely used…
-
Retinal Detachment Surgery: Statin Users Had Less Scar-Tissue Complication in a Large Database Study
Most retinal detachments can be repaired, but a complication called proliferative vitreoretinopathy, or PVR, can cause the retina to detach again. In PVR, scar tissue forms on or under the retina and pulls on it, which may lead to more surgery. A study presented at the 2026 American Society of Retina Specialists meeting asked whether…
-
Varicose Veins and Central Serous Retinopathy: A Large Records Study Finds a Link
Central serous chorioretinopathy (CSCR) causes fluid under the retina and blurred or distorted central vision. A Stanford-led analysis in the British Journal of Ophthalmology, covered by Ophthalmology Times, tested whether varicose veins—another venous disorder—travel with later CSCR diagnoses. How the cohort was built Using the TriNetX Global Collaborative Network, investigators matched 621,513 patients with varicose…
-
Norrin and Diabetic Eye Disease: Early Lab Clues, Not a Clinic Treatment Yet
Diabetic retinopathy remains a leading cause of vision loss in working-age adults. Most current injection therapies target VEGF, yet many eyes still need better control. University of Michigan researchers report that a molecule called norrin protected retinal blood vessels and vision in diabetic rats—an educational finding, not a treatment available in clinic today. The problem…
-
What Your Retina May Reveal About Stroke Risk
The retina is the only place in the body where doctors can look directly at small blood vessels without a single incision. That is one reason eye exams sometimes reveal problems that have nothing to do with eyesight. A new review in Frontiers in Medicine adds to the evidence that changes in the retina’s blood…
-
Cold Weather and Glaucoma: Why Eye Pressure May Rise in Winter
As temperatures drop, people with glaucoma may want to pay closer attention. Medical Xpress reported that colder air temperatures may significantly increase the fluid pressure inside the eye in people with glaucoma. Why pressure matters In most types of glaucoma, high pressure inside the eye damages the optic nerve over time. Treatment works by lowering…
-
Benefits of Anti-Reflective Coating on Glasses
Benefits of Anti-Reflective Coating on GlassesAnti-reflective (AR) coating is a special treatment applied to eyeglass lenses to reducereflections from light sources. This can help to improve vision, reduce eye strain, andmake glasses more comfortable to wear. How AR Coating WorksAR coating works by applying a thin layer of transparent material to the surface of thelens.…
-
Unraveling Conjunctival Hemorrhage with Khanna Vision
Conjunctival hemorrhage, commonly referred to as a subconjunctival hemorrhage, is a condition characterized by a bright red patch appearing on the white of the eye. This happens when a tiny blood vessel beneath the conjunctiva (the clear surface of your eye) breaks and bleeds. Though it may look alarming, it’s generally a harmless condition that…
-
Hello world!
Welcome to Khanna Vision Sites. This is your first post. Edit or delete it, then start writing!
Got any book recommendations?