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How Eye Imaging Helps Differentiate Retinal vs. Optic Nerve Disease
Patient undergoing advanced eye imaging for the early detection and monitoring of retinal disease using professional ophthalmic diagnostic equipment.

Keshav Narain, M.D.
2 days ago3 min read


High Myopia: When Nearsightedness Becomes a Retinal Risk
High myopia doesn’t just blur vision—it changes the structure of the eye, increasing the risk of retinal tears, detachment, and other complications. Regular check-ups and early detection are key to maintaining healthy eyesight.

Keshav Narain, M.D.
5 days ago3 min read


When Eye Symptoms Are a Sign of a Hypertension
Your eyes can reveal far more than vision problems. Subtle changes in the retina may signal early signs of systemic conditions like hypertension, diabetes, autoimmune disorders, and even neurological disease—often before other symptoms appear. Discover why comprehensive eye exams are a critical part of preventive, whole-body health care.

Keshav Narain, M.D.
Feb 114 min read


Blurry Vision With a Normal Eye Exam: Understanding the Hidden Causes
Blurry vision despite a “normal” eye exam can be frustrating and confusing. Learn how hidden retinal changes, optic nerve issues, and systemic health conditions can affect vision beneath the surface—and when a deeper evaluation is needed.

Keshav Narain, M.D.
Feb 73 min read


Why Your Eyes Feel “Heavy” Even When You’re Rested – Exploring Subtle TED Fatigue Symptoms
Heavy eyes even after a full night’s sleep may signal more than fatigue. Learn how subtle symptoms of Thyroid Eye Disease (TED) affect eye comfort and when to seek care.

Keshav Narain, M.D.
Feb 34 min read


The Surprising Reason Some Eye Conditions Affect Only One Eye
Have you noticed sudden blurred vision, flashes, or a dark spot in just one eye? It can be alarming, but you’re not alone—many eye conditions often begin in a single eye. Retinal tears, retinal detachment, blood vessel blockages, and optic nerve inflammation can all start in one eye due to local changes, while systemic diseases like diabetes or high blood pressure may affect one eye first before progressing to the other.

Keshav Narain, M.D.
Feb 12 min read


Dry vs. Wet Macular Degeneration: How to Tell the Difference
Confused about whether your macular degeneration is dry or wet? Understanding the difference is key to protecting your vision. Dry AMD develops slowly and is often managed with lifestyle changes and vitamins, while wet AMD can cause rapid vision loss and requires prompt treatment. With advanced OCT imaging, eye doctors can see exactly what’s happening and guide treatment to preserve sight. Learn how to spot the signs, act early, and take control of your eye health.

Keshav Narain, M.D.
Jan 274 min read


Flashes and Floaters: When Are They Normal—and When Are They an Emergency?
Have you noticed tiny specks drifting across your vision or brief flashes of light? While flashes and floaters are common and often harmless, sudden changes could indicate serious retinal problems like tears or detachment. Floaters appear as dots, strings, or shadows caused by age-related changes in the vitreous, while flashes occur when the vitreous tugs on the retina. Risk factors such as high nearsightedness, prior eye surgery, eye trauma, or family history increase the ch

Keshav Narain, M.D.
Jan 233 min read


Unexpected Triggers for TED and Headache Disorders: Caffeine, Sleep Deprivation, and Hormonal Shifts
Small, everyday habits can have a bigger impact on your head and eye health than you might expect. Changes in caffeine use, sleep quality, and hormonal balance can quietly trigger headaches, migraines, and even worsen eye discomfort—especially in people predisposed to inflammatory eye conditions like Thyroid Eye Disease (TED). In this educational feature, Dr. Keshav Narain explains how these common lifestyle factors influence the nervous system and eye health.

Keshav Narain, M.D.
Jan 206 min read


How Diabetic Retinopathy Damages Your Eyes Without You Knowing
Diabetes can damage your eyes silently, causing conditions like diabetic retinopathy and macular edema. Early detection through regular eye exams protects your vision.

Keshav Narain, M.D.
Jan 163 min read


What an OCT Scan Really Shows About Your Eye Health
What does an OCT scan really show about your eye health? Optical Coherence Tomography (OCT) is a fast, non-invasive imaging test that reveals microscopic layers of the retina and optic nerve—often detecting eye disease before symptoms appear. Learn how OCT helps diagnose, monitor, and guide treatment for conditions like macular degeneration, diabetic eye disease, and glaucoma.

Keshav Narain, M.D.
Jan 133 min read


How Often Should You Really Get a Retina Exam?
Clear vision doesn’t always mean healthy eyes. Learn how often you should get a retina exam, who needs more frequent screening, and how early detection of silent eye diseases like diabetic retinopathy and macular degeneration can protect your vision long-term.

Keshav Narain, M.D.
Jan 93 min read


Blepharitis: Why Your Eyelids Are Always Irritated
Blepharitis is a common yet often frustrating cause of red, irritated, burning eyelids and dry, gritty eyes. Learn what causes blepharitis, how blocked oil glands affect tear stability, and which daily habits and treatments can significantly reduce flare-ups and improve long-term eye comfort.

Keshav Narain, M.D.
Jan 63 min read


Eye Stroke Explained: CRAO vs. BRVO — What Patients Need to Know
Sudden vision loss in one eye can be a sign of an eye stroke. Learn the critical differences between Central Retinal Artery Occlusion (CRAO) and Branch Retinal Vein Occlusion (BRVO), why one is a medical emergency, and how early diagnosis can protect both vision and overall health.

Keshav Narain, M.D.
Jan 24 min read


Glaucoma: The Silent Thief of Sight—and What You Can Do About It
Glaucoma can quietly damage vision long before symptoms appear. Learn how early detection, advanced imaging, and personalized care can help preserve sight and transform glaucoma from a silent threat into a manageable condition.

Keshav Narain, M.D.
Dec 30, 20256 min read


Why Some People See “Double Shadows” Instead of Double Vision
Have you ever noticed faint, drifting shadows — like cobwebs, threads, or tiny specks — in your vision, especially against bright skies or plain walls? You might think it’s double vision, but in most cases, these “double shadows” are actually floaters or subtle ghost images inside the eye.
Floaters are caused by tiny clumps or debris in the vitreous — the jelly-like substance filling your eye — casting shadows on the retina.

Keshav Narain, M.D.
Dec 26, 20255 min read


How Thyroid Problems Affect Eye Movement — Understanding Restricted or Painful Eye Motion
Eye pain, pressure, double vision, or bulging eyes may signal Thyroid Eye Disease (TED), a serious autoimmune condition often linked to thyroid problems.

Keshav Narain, M.D.
Dec 23, 20254 min read


Why Your Contact Lenses Suddenly Feel Uncomfortable
Sudden contact lens discomfort is often caused by changes in the ocular surface rather than the lenses themselves. Learn how dry eye, eyelid exposure, and thyroid eye disease contribute to irritation and reduced lens tolerance.

Keshav Narain, M.D.
Dec 19, 20255 min read


The Silent Signs of Thyroid Eye Disease
Subtle eye changes like puffy eyelids, dry eyes, or a slightly altered gaze may be early warning signs of Thyroid Eye Disease (TED). Often overlooked or mistaken for fatigue or allergies, these quiet symptoms can signal an autoimmune condition that affects the tissues around the eyes. Early detection and timely care are essential to prevent progression and protect long-term vision.

Keshav Narain, M.D.
Dec 16, 20252 min read


TED Flare‑Ups Cold & Flu Season Eye Symptoms: Why They Happen — Immune System Connection
If you have Thyroid Eye Disease (TED), you may notice more irritation, swelling, or dryness during cold or flu season. TED is an autoimmune condition where your immune system attacks tissues around the eyes, causing inflammation, bulging, and surface symptoms like dryness or grittiness.
Even after the active phase of TED seems over, flares can happen. Viral infections trigger immune responses that can inflame the ocular surface, destabilize your tear film, and worsen dryness

Keshav Narain, M.D.
Dec 12, 20255 min read
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