Category: Ophthalmology

Visual Stress

The Opticalm Clinic claims to diagnose and treat visual stress with colored lenses and other aids. Visual stress is a poorly defined, questionable condition and Opticalm's claims are not backed by scientific evidence.

/ August 11, 2020
The Light Spectrum

Blue light blocking glasses: How much of the hype is science-based?

Blue light from our electronics is said to be harmful, and "blue blocking" glasses are touted as a panacea to numerous health issues. Is there any evidence to substantiate these claims?

/ June 25, 2020

Vision Therapy Quackery

Behavioral optometry claims to treat a wide range of disorders, including learning difficulty and attention problems. But these claims are not based on solid scientific ground, and are not supported by rigorous evidence.

/ January 31, 2018

Patients blinded by stem cell therapy: more egregious than you imagined

Three patients were treated with a slurry of stem cells and blood products, in both eyes, on the same day. Could the outcome, three patients becoming legally blind, have been foreseen? Probably.

/ April 15, 2017

Stem Cells for Macular Degeneration: Meticulous Science vs. Unethical Carelessness

Rigorous scientists stabilized a patient’s macular degeneration with a cutting-edge stem cell treatment; less rigorous scientists misapplied stem cell science and left three women blind.

/ March 28, 2017

Acupuncture for Macular Degeneration: Why I Reject the Evidence

This post is dedicated to two people who are frequent commenters on SBM, Stephen S. Rodrigues and Peter Moran. Rodrigues is an MD/acupuncturist who tries to persuade us that acupuncture is effective. Moran is a retired surgeon who objects to insulting language and thinks more can be accomplished by trying to better understand why people turn to CAM and by explaining the...

/ June 24, 2014

Anti-VEGF treatment of Macular Degeneration: Science-Based Success

Let's celebrate some good science with a story about some evidence-based treatments for macular degeneration!

/ October 25, 2013

Blind-Spot Mapping, Cortical Function, and Chiropractic Manipulation

Steven Novella recently wrote about so-called “chiropractic neurology” and its most outspoken proponent, Ted Carrick.  In 2005 I published an article in The Scientific Review of Alternative Medicine (Vol 9, No 1, p. 11-15) entitled “Blind-Spot Mapping, Cortical Function, and Chiropractic Manipulation.” It was an analysis of a study Carrick had published. Carrick read a shorter, popularized version of my critique in Skeptical...

/ November 29, 2011

Acupuncture for Amblyopia

An recent article in the journal Ophthalmology reported the results of a clinical trial that evaluated acupuncture as an adjunctive treatment for anisometropic amblyopia. In the abstract, the authors conclude: Acupuncture is a potentially useful complementary treatment modality that may provide sustainable adjunctive effect to refractive correction for anisometropic amblyopia in young children. Further large-scale studies seem warranted. A little background information...

/ November 25, 2011

Antioxidant Supplements for Macular Degeneration

Age-related macular degeneration (AMD) is one of the major causes of visual impairment in the elderly: it affects central vision, impairing the ability to read and recognize faces while preserving some peripheral vision. It comes in two forms: wet and dry. Dry macular degeneration is by far more common, but wet macular degeneration, involving the proliferation of blood vessels, is more severe. ...

/ August 24, 2010