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


10 question Quiz: Pupils, APD Testing, Unequal Pupils, and What They Can Mean
Test your knowledge of pupil testing, anisocoria, APDs, Horner syndrome, third nerve palsies, and other important pupil findings with this 10-question optometry quiz.

David B. Sabin
4 hours ago6 min read


EVO ICL Surgery: Implantable Vision Correction for Moderate to High Myopia
EVO ICL places a prescription lens behind the iris while leaving the natural lens intact. It may be an option for patients with higher myopia or unsuitable corneas.

David B. Sabin
1 day ago3 min read


Hollenhorst Plaques: Why a Tiny Spot in the Eye Can Be a Big Warning Sign
A Hollenhorst plaque is a tiny cholesterol embolus seen in the retinal blood vessels. It may not cause symptoms, but it can be an important warning sign of carotid artery disease, vascular risk, and possible stroke risk.

David B. Sabin
2 days ago5 min read


How to Remove a Metallic Foreign Body From the Cornea and Manage Follow-Up Care
Metallic corneal foreign bodies can cause pain, rust ring formation, inflammation, and corneal scarring if not managed properly. This clinician-focused guide reviews safe removal technique, rust ring treatment, post-removal medications, and follow-up care.

David B. Sabin
3 days ago6 min read


Bergmeister Papilla: A Persistent Hyaloid Remnant at the Optic Nerve
A Bergmeister papilla is a usually benign congenital remnant of the fetal hyaloid vascular system found at the optic nerve head. Learn how it develops, what it looks like on examination and OCT, and how to distinguish it from optic disc neovascularization and other important conditions.

David B. Sabin
4 days ago7 min read


10-Question Multiple Choice Quiz: Pituitary Tumors, A Clinical Guide for Eye Doctors
Test your clinical knowledge of pituitary tumors and their visual findings with this 10-question quiz for eye care professionals. Review key concepts including bitemporal field loss, chiasmal compression, OCT findings, MRI referral criteria, and pituitary apoplexy.

David B. Sabin
Oct 232 min read


Refractive Lens Exchange: Vision Correction for Presbyopia and High Refractive Errors
Refractive lens exchange uses the same basic technique as cataract surgery but removes a clear natural lens to reduce dependence on glasses before a significant cataract develops.

David B. Sabin
Oct 223 min read


SMILE Eye Surgery: Flap-Free Laser Vision Correction for Myopia and Astigmatism
SMILE is a minimally invasive laser vision procedure that removes a thin piece of corneal tissue through a small incision. Learn how it differs from LASIK and PRK.

David B. Sabin
Oct 213 min read


LASIK Eye Surgery: How It Works, Who Is a Candidate, and What Recovery Is Like
LASIK can reduce dependence on glasses and contact lenses by reshaping the cornea. Learn how the procedure works, what recovery is like, and why a complete eye evaluation is essential before surgery.

David B. Sabin
Oct 203 min read


Cataract Surgery With Premium Intraocular Lenses: Choosing the Right Lens for Your Lifestyle
Modern cataract surgery can do more than remove a cloudy lens. Premium intraocular lenses may also correct astigmatism or provide a broader range of vision, but every design has tradeoffs.

David B. Sabin
Oct 194 min read


OPT-ISM Weekly Quiz: What Is Amblyopia and Why Early Treatment Matters?
Test your knowledge of the different types of amblyopia with this 6-question quiz covering refractive, strabismic, deprivation, mixed-mechanism, and reverse amblyopia, plus common treatment approaches.

David B. Sabin
Oct 164 min read


Photorefractive keratectomy (PRK) Eye Surgery: A Flap-Free Alternative to LASIK
PRK offers laser vision correction without creating a corneal flap. Although healing takes longer than LASIK, it may be preferred for certain corneas, occupations, and active lifestyles.

David B. Sabin
Oct 153 min read


Giant Cell Arteritis: The Headache That Can Threaten Your Vision
Giant cell arteritis, also called temporal arteritis, is a serious inflammatory condition that can cause headaches, jaw pain, scalp tenderness, and sudden vision loss. Learn the warning signs and why early treatment is critical.

David B. Sabin
Oct 144 min read


Pigment Epithelial Detachment vs. Central Serous Retinopathy: What’s the Difference?
A pigment epithelial detachment, or PED, is a finding on retinal imaging, while central serous retinopathy is a disease process that can cause fluid under the retina. Here’s how they compare.

David B. Sabin
Oct 135 min read


Central Serous Retinopathy and Type A Personalities: Can Stress Affect Your Retina?
Central serous retinopathy occurs when fluid builds up under the retina, often causing blurry or distorted central vision. Learn how stress, cortisol, steroid use, and Type A personality traits may contribute to this condition.

David B. Sabin
Oct 124 min read


10-Question Multiple Choice Quiz: Super Glue in the Eye
Super glue in the eye can cause the eyelids or lashes to stick together and may scratch the cornea. Patients should avoid forcing the eye open, avoid acetone or household solvents, rinse gently if possible, and seek prompt eye care.

David B. Sabin
Oct 93 min read


Radial Keratotomy: The Early Refractive Surgery That Came Before LASIK
Before LASIK, radial keratotomy used spoke-like corneal incisions to reduce nearsightedness. Although many patients initially achieved clearer distance vision, RK can cause prescription changes, irregular astigmatism, glare, and fluctuating vision decades later.

David B. Sabin
Oct 87 min read


Epiretinal Membrane: Why Straight Lines Can Look Wavy
An epiretinal membrane, also called a macular pucker, is a thin layer of scar-like tissue that forms over the macula and can cause blurry or distorted central vision. Learn how eye doctors detect it, monitor it, and when treatment may be needed.

David B. Sabin
Oct 74 min read


Multiple Sclerosis and Your Eyes: Early Signs, Vision Changes, and Eye Tracking Problems
Multiple sclerosis can affect the eyes by causing optic neuritis, double vision, shaky vision, poor eye tracking, and trouble with color or contrast. Learn the early signs and when to schedule an eye exam.

David B. Sabin
Oct 66 min read


Pyogenic Granuloma of the Eye: Causes, Symptoms, Diagnosis, and Treatment
A rapidly growing red bump on your eye may be a pyogenic granuloma. Discover why these benign vascular growths develop, how eye doctors diagnose them, and which treatments can help.

David B. Sabin
Oct 58 min read
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3825 Henderson Blvd, Suite 103, Tampa, FL 33629
813-843-2653
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