OPT-ISM Eye Care Blog
Helpful eye care tips, vision education, and modern optometry insights from OPTISM in Tampa, FL.

The Parks 3-step test helps eye doctors evaluate vertical double vision by narrowing down which eye muscle may be causing the misalignment. This clinician-focused guide explains how to use the test, interpret hypertropia patterns, and recognize when findings may point to a superior oblique palsy or another cause of diplopia.

Diplopia requires a systematic clinical approach. This doctor-focused guide reviews how to separate monocular from binocular double vision, localize cranial nerve and eye muscle patterns, recognize urgent red flags, and understand how diabetes can contribute to microvascular ischemic cranial nerve palsies.

Double vision, or diplopia, can happen for many reasons—from dry eye and prescription changes to eye muscle or nerve problems. Learn when double vision should be checked and when it may be an

Hypochlorous acid spray is a gentle eyelid hygiene option used in eye care to help reduce bacteria, calm irritation, and support patients with blepharitis, dry eye, styes, and contact lens-related eyelid buildup.

Do your eyes feel tired, dry, or blurry after long hours on a computer or phone? Learn why screens cause digital eye strain and what you can do to make your eyes more comfortable.

GLP-1 medications can provide major health benefits, but recent studies have raised questions about a possible link with NAION, a rare optic nerve condition that can cause sudden vision loss. Here is what patients should know.

Optos retinal imaging allows your eye doctor to capture detailed wide-field images of the retina, often without dilation. Learn how undilated retinal images help detect eye disease, monitor changes over time, and support a more comfortable eye exam at OPT-ISM in Tampa.