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


How We See: A Simple Guide to How the Eye Forms an Image
Seeing feels instant, but your eyes and brain work together in a precise step-by-step process. Here is a simple guide to how light becomes vision.
David B. Sabin
10 hours ago4 min read


Anterior Uveitis / Iritis: Eye Pain, Redness, and Light Sensitivity Should Not Be Ignored
Anterior uveitis, also called iritis, is inflammation inside the front part of the eye. It can cause eye pain, redness, blurry vision, and light sensitivity. Unlike mild irritation or pink eye, iritis often needs prescription treatment and close follow-up to prevent complications.
David B. Sabin
3 days ago4 min read


Dermal Fillers and Eye Health: Can Fillers Increase the Risk of CRVO?
Facial fillers are popular cosmetic treatments, but rare vascular complications can affect vision. Here’s what patients should know about retinal vein occlusion, filler-related vascular risk, and urgent eye symptoms.
David B. Sabin
Jun 264 min read


Super Glue in the Eye: What Patients and Eye Doctors Need to Know
Super glue in the eye can cause the eyelids or lashes to stick together and may scratch the cornea. Do not force the eye open or use acetone. Eye doctors may use sterile ophthalmic ointment, warm compresses, and careful treatment to protect the eye.
David B. Sabin
Jun 194 min read


Clinical Guide to Color Vision Deficiency: Types, Testing, Medications, and Neurologic Causes
Color vision deficiency is not always simple “color blindness.” Learn how clinicians test color vision, distinguish congenital from acquired defects, and recognize medication, retinal, optic nerve, and neurologic causes of color vision changes.
David B. Sabin
Jun 1812 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 4 | Types of Glaucoma Visual Field Defects: How Glaucoma Can Affect Your Vision
Glaucoma can cause different patterns of vision loss before patients notice symptoms. Learn how visual field testing detects nasal steps, arcuate defects, paracentral defects, tunnel vision, and other glaucoma-related changes.
David B. Sabin
Jun 156 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 OCT Helps Evaluate the Retina, Macula, Optic Nerve, Glaucoma, Diabetes, and Plaquenil Monitoring
OCT is a quick, painless imaging test that helps your eye doctor evaluate the retina, macula, optic nerve, glaucoma, diabetic eye disease, and Plaquenil-related retinal changes.
David B. Sabin
Jun 25 min read


What an Optometrist Needs to Know When a Patient With a Recent Concussion Presents for an Eye Exam
Concussion patients may see 20/20 but still struggle with focusing, eye teaming, reading, light sensitivity, and dizziness. Here is what optometrists should know and do during a post-concussion eye exam.
David B. Sabin
May 317 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


Hypochlorous Acid Spray in Eye Care: A Simple Step for Cleaner, Healthier Eyelids
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.
David B. Sabin
May 195 min read


GLP-1 Medications and NAION: What Patients Should Know About Sudden Vision Loss
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.
David B. Sabin
May 144 min read


Top Reasons to Schedule an Eye Exam at OPTISM in South Tampa
Protect your vision with personalized eye care at OPTISM in South Tampa. From comprehensive eye exams and updated prescriptions to retinal imaging, dry eye care, contact lenses, and medical eye care, OPTISM uses advanced technology to help detect problems early and keep your eyes healthy.
David B. Sabin
May 124 min read


Contact Lens Infections: Corneal Ulcers vs. Corneal Infiltrates
Contact lens infections can become serious quickly. Learn the difference between corneal ulcers and corneal infiltrates, what symptoms to watch for, and when to seek urgent eye care.
David B. Sabin
May 114 min read


Optos Undilated Retinal Imaging: A Clearer Look at Your Eye Health Without Dilation
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.
David B. Sabin
May 85 min read


Eye Floaters and Flashes: When Should You Be Concerned?
New floaters and flashes are often caused by changes in the vitreous gel inside the eye, but they can also be warning signs of a retinal tear or detachment. Learn which symptoms require same-day eye care and why a dilated retinal exam is important.
David B. Sabin
May 74 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


Stye vs. Chalazion vs. Hordeolum: What’s the Difference and How Are They Treated?
Not every eyelid bump is the same. A chalazion is usually a blocked oil gland, while a hordeolum, or stye, is often infected and more painful. Learn the difference and when prescription eye drops, oral medications, or in-office treatment may be needed.
David B. Sabin
May 45 min read
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3825 Henderson Blvd, Suite 103, Tampa, FL 33629
813-843-2653
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