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


Part 6 | How to Read an OCT RNFL: Understanding Optic Nerve and Glaucoma Testing
Learn how OCT RNFL scans help evaluate the optic nerve and glaucoma risk by measuring retinal nerve fiber layer thickness, quadrants, clock hours, TSNIT curves, and progression.
David B. Sabin
Jun 176 min read


Part 5 | How to Read an HVF 24-2 Visual Field: A Practical Guide for Glaucoma Testing
Learn how eye doctors read an HVF 24-2 visual field, including reliability, grayscale, total deviation, pattern deviation, MD, PSD, VFI, and common glaucoma patterns.
David B. Sabin
Jun 166 min read


Part 3 | Glaucoma Treatment Options: Eye Drops, Laser Procedures, and Surgery
Glaucoma treatment may include prescription eye drops, laser procedures, or surgery. Learn how different glaucoma drops work and when laser or surgical options may be recommended.
David B. Sabin
Jun 127 min read


Part 2 | Different Types of Glaucoma: What Patients Should Know
Glaucoma is not just one condition. Learn the main types of glaucoma, how they affect the optic nerve, and why regular eye exams are important for protecting vision.
David B. Sabin
Jun 114 min read


Part 1 | Glaucoma: Why Regular Eye Exams Are Important for Protecting Your Vision
Glaucoma is often called the silent thief of sight because it can damage vision before symptoms are noticeable. Learn how regular eye exams help detect and monitor glaucoma early.
David B. Sabin
Jun 104 min read


Recurrent Corneal Erosions: Why Your Eye Pain Keeps Coming Back
Recurrent corneal erosions can cause sharp morning eye pain, tearing, redness, and light sensitivity. Learn why they happen, why they keep coming back, and how an eye doctor can help protect the cornea.
David B. Sabin
Jun 64 min read


How to Fill Prescription Eye Drops Through BlinkRx and PhilRx
Prescription eye drops can be hard to fill at regular pharmacies. Here’s how BlinkRx and PhilRx help patients access common dry eye, blepharitis, and glaucoma medications.
David B. Sabin
May 277 min read


Computer Vision Syndrome: Why Screens Make Your Eyes Tired
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.
David B. Sabin
May 184 min read


Why Is My Eyelid Twitching? Understanding Myokymia
Eyelid twitching, also known as myokymia, is usually harmless but can be frustrating when it keeps happening. Common triggers include stress, lack of sleep, caffeine, dry eye, and eye strain. Learn what causes eyelid myokymia, how to calm the twitch, and when it may be time to schedule an eye exam with your Tampa eye doctor.
David B. Sabin
May 67 min read


Blepharitis, Demodex Mites, and XDEMVY: What to Know About Chronic Eyelid Irritation
Blepharitis can cause red, itchy, crusty, and irritated eyelids. In some cases, Demodex mites may be the underlying cause. Learn how Demodex blepharitis is diagnosed and how prescription treatment with XDEMVY may help.
David B. Sabin
May 54 min read


Dry Eyes: Choosing the Right Eye Drops: A Guide to Artificial Tears Miebo and Vevye
Dry eye disease is more than occasional irritation. Learn how artificial tears and prescription eye drops like Miebo and Vevye can help improve comfort, tear quality, and long-term eye health.
David B. Sabin
May 23 min read
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3825 Henderson Blvd, Suite 103, Tampa, FL 33629
813-843-2653
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