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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 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
24 hours ago5 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
4 days ago7 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
5 days ago4 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
6 days ago4 min read


Headaches and Eye Exams: Could Your Vision Be Part of the Problem?
Headaches are not always caused by the eyes, but vision problems, digital eye strain, dry eye, and focusing issues can contribute. A comprehensive eye exam can help rule out eye-related causes and guide the next step.
David B. Sabin
7 days ago4 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


LASIK and Other Refractive Surgeries: What to Know Before Choosing Vision Correction Surgery
LASIK is only one type of vision correction surgery. Learn how LASIK, PRK, SMILE, ICL, and refractive lens exchange compare, and why a complete eye exam is important before choosing surgery.
David B. Sabin
Jun 45 min read


Upneeq Eye Drops: A Non-Surgical Option for Droopy Eyelids
Droopy eyelids can affect both appearance and vision. Upneeq may help temporarily lift low-lying upper eyelids without surgery, but an eye exam is important to make sure it is the right option.
David B. Sabin
Jun 33 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


Advanced Clinical Test | Parks-Bielschowsky Three-Step Test: How To Use It
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.
David B. Sabin
May 223 min read


Clinical Guide for Doctors: Diplopia Evaluation, Cranial Nerve Palsies, and Diabetes
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.
David B. Sabin
May 216 min read


Patient Friendly Guide to Double Vision: Causes, Symptoms, and When to Get Your Eyes Checked
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
David B. Sabin
May 205 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
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813-843-2653
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