Eyeglass Remake Rate: What It Costs Your Practice and How to Cut It in Half
The average optical shop remakes 15% of lens orders. Here is what each remake actually costs and how to cut your rate to under 5%.
Blog | Optical Industry Insights, Guides & Tools for Opticians
Actionable insights for opticians and eyewear retailers. Learn how to measure PD remotely, optimize optical workflows, choose the right tools, and grow your business with modern digital solutions.
Measuring PD in Children: Age Ranges and Techniques
Children's pupillary distance ranges from approximately 50 mm at age 5 to 60 mm at age 15, based on normative data from MacLachlan & Howland's…
Vision Expo East 2026: Orlando Show Guide for ECPs
Vision Expo 2026 ran March 11 to 14 at the Orange County Convention Center in Orlando. This is the first unified annual show, replacing the former East and West split. More than 350 exhibitors, 220+ CE hours, and 8,000+ attendees from 92 countries. Here is how it went and what to plan for Las Vegas 2027.
Blue Light Glasses: What the Science Actually Says
Blue light glasses do not reduce digital eye strain. The American Academy of Ophthalmology states that "there is no scientific evidence that blue light from…
Photochromic Lenses: How They Work and Brand Comparison
Photochromic lenses (also called photosensitive or light-adaptive lenses) darken automatically when exposed to UV radiation and return to clear indoors. The reaction relies on organic…
Color Blindness Test: Types, Methods, and Results
The Ishihara color plate test is the most widely used color blindness screening method. Its sensitivity reaches 99% at a three-error threshold, according to research…
Pupil Anatomy, Function, Size, and Conditions
The pupil is the circular opening at the center of the iris that controls how much light reaches the retina. It ranges from 2 to…
Photophobia: Causes, Symptoms, and Treatments
Photophobia is not a disease but a symptom: abnormal sensitivity to light that causes discomfort, eye pain, or reflexive squinting and eye closure. It affects…
Best Glasses for Square Faces: Frame Guide
Square faces have roughly equal forehead, cheekbone, and jaw width with pronounced angles. Round, oval, aviator, and cat-eye frames create the best contrast, softening the jawline without competing with the face’s structure.
What Does an Ophthalmologist Do: Roles and Training
An ophthalmologist is a medical doctor (MD or DO) who specializes in eye and vision care, with 12 to 14 years of training. They are the only eye care professionals licensed to perform surgery, treat eye diseases, and prescribe all medications. Learn how they differ from optometrists and opticians.