Eye Facts

Woman with red hair and tattoos, wearing heavy eyeliner and red lipstick, resting her head on her hand.

The Link Between Dry Eyes and Contact Lens Discomfort

ZENNI OPTICAL EYEGLASSES prescription form. Patient: John Smith. O.D: +0.25 -1.25 158. O.S: +0.50 -1.00 048.

Breaking Down Cylinder Eye Prescription: A Closer Look at Astigmatism

Man squinting and closely inspecting a pair of eyeglasses held in his hand.

Understanding the Difference: 1.61 vs 1.67 High Index Lenses

Tortoiseshell sunglasses with dark lenses and gradient brown eyeglasses with clear lenses.

The Ultimate Guide to NV ADD in Eyeglasses

ZENNI OPTICAL EYEGLASSES prescription form. Patient: John Smith. O.D: +0.25 -1.25 158. O.S: +0.50 -1.00 048.

The Importance of Axis in Your Eye Prescription Explained

Woman holding a card above a laptop, showing card details for verification. Text on card is not readable.

Getting the Right Fit: How to Measure Pupillary Distance for Glasses

Optometrist adjusts eyeglasses on patient. Eye chart in the background reads: "EKATZHQWV YOELKSFDI OXPHBZD NLTAVR OHSUE MCF ZU."

Getting Used to New Glasses