Eye Health

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15/02/2026

Exophoria — concise clinical overview.
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Definition

Exophoria is a latent outward deviation of the visual axes that becomes manifest only when binocular fusion is disrupted (e.g., during a cover test). Under normal viewing, fusional convergence maintains alignment.



Pathophysiology

It represents an imbalance where divergence tone exceeds convergence tone. Control depends on fusional vergence reserves and sensory fusion.



Etiology / Associations
• Physiological variation (common at near)
• Prolonged near work / digital eye strain
• Uncorrected refractive error (especially hyperopia or under-corrected myopia)
• Convergence insufficiency
• Post-illness fatigue or decompensation
• Occasionally associated with systemic fatigue or stress



Symptoms (when decompensated)
• Asthenopia (eye strain)
• Intermittent blur, especially at near
• Headaches (frontal)
• Intermittent diplopia
• Difficulty sustaining reading



Clinical Evaluation
1. Cover–uncover & alternate cover test → quantifies deviation
2. Prism cover test → magnitude in prism diopters
3. Near point of convergence (NPC)
4. Fusional vergence ranges (PFV/NFV)
5. AC/A ratio when indicated



Management

Asymptomatic small exophoria → no treatment, observation

Symptomatic / decompensated:
• ✔️ Optimal refractive correction
• ✔️ Vision therapy / orthoptic exercises (e.g., convergence training)
• ✔️ Prism correction (base-in) in selected cases
• ✔️ Ergonomic modifications for near work



Prognosis

Generally excellent. Most cases remain stable or improve with appropriate binocular vision therapy.
















Shout out to my newest followers! Excited to have you onboard!Roba Jaafer, Masa Abou-tok Alrifae, Alshimaa Salah, Mrityu...
11/02/2026

Shout out to my newest followers! Excited to have you onboard!

Roba Jaafer, Masa Abou-tok Alrifae, Alshimaa Salah, Mrityunjay Sharma, Nishi Mehrotra, Danique de Kruif, Haneefa Abdul Kaiyoom, عمار أمين, Salma Makki, Thuy Duong, Esraa Mahmoud, Dylen Morrow, Shail Singh, Sangini Tekcham, Esraa Mohammed, Steven Carlton Otieno, Jitendra Kumar, Dheeru Mishra, Ashok Pandit, Enas Ibrahiem, Shekhar Pallav, إيمان كدرو, Gyula Juhász, Josephine Tembo, Rayan Ahmed, Md Salim Miah, براءه الغادي, Chandra Mohan Halubai, Bruno Lewis, Sania Shaheen, فاطمة ابكر, Abd'h Manea, Scr Wong, Arop Chol Malueth, लखनऊ ऑप्टिकल पलिया, Lata Saxena, Renwar Mirza, Rizwana Ibrahim, Nguyễn Văn Độ, Reham Metwally, Nilusha Jayalath, Pranab Sutar, Sandip Singh

10/02/2026

Internal Hordeolum (Internal Stye) for more updates Eye Health

Definition

An acute bacterial infection of a meibomian gland located on the inner (palpebral) surface of the eyelid. Most commonly caused by Staphylococcus aureus.

Key Clinical Features
• Painful, tender, red swelling on the inner eyelid
• Localized inflammation (often focal, not diffuse)
• Foreign body sensation, watering
• May not show a “point” externally early on

How to Differentiate
• Internal hordeolum: painful, acute, inflamed
• Chalazion: painless, firm, chronic nodule
• Allergy: itchy, soft, diffuse, often bilateral

Management (Standard of Care)
1. Warm compresses
• 10–15 minutes, 3–4 times/day
2. Lid hygiene
• Gentle lid massage after warm compress
3. Topical antibiotic ointment
• If discharge or marked inflammation
4. Systemic antibiotics
• Only if severe, recurrent, or with preseptal cellulitis
5. Incision & drainage
• If not resolving after 7–10 days

Patient Advice
• Do not squeeze
• Avoid eye makeup/contact lenses temporarily
• Maintain eyelid cleanliness

Red Flags 🚨
• Fever or worsening pain
• Diffuse lid swelling
• Reduced vision or painful eye movements
• No improvement after 7–10 days










SPK’S. Follow Eye Health for more updates.
07/02/2026

SPK’S.
Follow Eye Health for more updates.

Thanks for being a top engager and making it on to my weekly engagement list! 🎉Aahan Ansari, Benedita Ofoegbu, عمار فرعو...
07/02/2026

Thanks for being a top engager and making it on to my weekly engagement list! 🎉

Aahan Ansari, Benedita Ofoegbu, عمار فرعون, Nawab Magdoom Meer, DrTapan Bhattacharya

07/02/2026

SPKS most commonly refers to Superior Punctate Keratitis in eye care.
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Superior Punctate Keratitis (SPKS)
• What it is: Multiple tiny epithelial defects (punctate staining) predominantly in the superior cornea.
• Common causes:
• Dry eye disease (especially exposure-related)
• Contact lens overwear or poor lens hygiene
• Blepharitis / meibomian gland dysfunction
• Allergic conjunctivitis
• Toxicity from topical drops/preservatives
• Symptoms: Foreign body sensation, burning, photophobia, tearing, blurred vision.
• Signs: Fluorescein staining of the upper corneal epithelium, often seen on lid eversion.
• Management (cause-directed):
• Preservative-free lubricating drops
• Treat lid disease (warm compresses, lid hygiene)
• Modify/stop contact lens wear temporarily
• Address allergy if present
• Review and reduce topical medication toxicity.

Here are 10 viral Facebook hashtags suitable for SPKS (Superior Punctate Keratitis) eye-health posts:
















06/02/2026

Vitreous Opacities (Eye Floaters)

Vitreous opacities are tiny particles within the vitreous humor (the clear gel filling the eye) that cast shadows on the retina. Patients perceive them as floaters—spots, threads, cobwebs, or clouds that drift with eye movement.



What causes them?
• Age-related vitreous degeneration (syneresis) – collagen fibers clump as the gel liquefies (most common).
• Posterior vitreous detachment (PVD) – separation of vitreous from retina, often sudden onset of floaters.
• Inflammation (uveitis) – inflammatory cells/protein debris.
• Vitreous hemorrhage – blood from diabetic retinopathy, retinal tears, trauma.
• Retinal breaks or detachment – may present with new floaters plus flashes.
• Post-surgery or trauma – debris in vitreous.



Symptoms patients report
• Moving dots, strands, or cobwebs
• More noticeable against bright backgrounds
• Sudden increase in floaters ± flashes of light (photopsia)
• Rarely, a curtain/shadow in vision (urgent)



How are they evaluated?
• Dilated fundus examination (essential)
• OCT to assess vitreoretinal interface if needed
• B-scan ultrasonography when media is hazy (e.g., dense hemorrhage)



Management
• Reassurance & observation: Most benign floaters become less noticeable over weeks–months.
• Treat underlying cause: Control inflammation, manage diabetic retinopathy, repair retinal tears.
• YAG vitreolysis: Selected cases with discrete, bothersome floaters.
• Pars plana vitrectomy: Rare; reserved for severe, persistent symptoms due to surgical risk.



Red flags → Urgent referral
• Sudden shower of floaters
• New flashes of light
• Peripheral vision loss or “curtain”
• Recent eye trauma

Here are 20 relevant hashtags for Vitreous Opacities / Eye Floaters (ideal for Facebook & Instagram eye-health posts):




















03/02/2026

What is a Subconjunctival Hemorrhage?
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A subconjunctival hemorrhage is a small bleed under the clear surface of the eye (conjunctiva). It looks like a bright red patch on the white part of the eye.



Is it serious?

✅ Usually NOT serious
✅ Does not affect vision
✅ Painless in most cases
It often looks alarming but is similar to a bruise on the skin.



Common Causes
• Coughing, sneezing, vomiting
• Heavy lifting or straining
• Eye rubbing
• Minor eye injury
• High blood pressure
• Blood-thinning medicines (aspirin, warfarin)
• Sometimes, no clear cause



Symptoms
• Red patch on the white of the eye
• No pain or mild irritation
• No discharge
• Vision remains normal



Treatment
• No treatment is usually required
• Artificial tears can be used for comfort
• The red area will fade naturally within 1–2 weeks



What to Expect
• Color may change from red → brown → yellow as it heals
• Clears completely without scarring



When to See an Eye Doctor

⚠️ Repeated episodes
⚠️ Eye pain or vision changes
⚠️ After significant injury
⚠️ Known bleeding disorder
⚠️ Uncontrolled high blood pressure



Important Advice
• Do NOT rub your eye
• Continue regular medications unless advised otherwise
• Check blood pressure if episodes recur



Reassurance

“This condition looks scary but is harmless in most cases and heals on its own.”




















Thanks for being a top engager and making it on to my weekly engagement list! 🎉Ousman Endris, Praveen Kumar, Ashish Kuma...
31/01/2026

Thanks for being a top engager and making it on to my weekly engagement list! 🎉

Ousman Endris, Praveen Kumar, Ashish Kumar Mishra

31/01/2026

Dendritic corneal ulcer (HSV keratitis).

Definition
A dendritic corneal ulcer is a branching epithelial ulcer of the cornea caused most commonly by Herpes Simplex Virus type-1 (HSV-1). It is the most characteristic lesion of herpetic epithelial keratitis.



Etiology
• Reactivation of latent HSV-1 in the trigeminal ganglion
• Triggered by: fever, stress, sunlight, trauma, immunosuppression, topical steroids



Clinical Features
• Eye pain, foreign body sensation
• Redness and watering
• Photophobia
• Blurred vision
• Mild discharge
• Reduced corneal sensation



Slit-Lamp Findings
• Linear branching ulcer with terminal bulbs
• Best seen with fluorescein stain
• Central ulcer stains with fluorescein
• Edges stain with rose bengal / lissamine green



Differential Diagnosis
• Pseudodendrites (Herpes zoster ophthalmicus)
• Healing epithelial defect
• Neurotrophic keratitis
• Acanthamoeba keratitis (early stage)



Management

First-line (Antiviral therapy):
• Acyclovir 3% eye ointment – 5× daily for 7–10 days
or
• Ganciclovir 0.15% gel – 5× daily

Supportive:
• Lubricating eye drops
• Cycloplegics if photophobia is present

❌ Topical steroids are contraindicated in epithelial disease



Complications (if untreated)
• Geographic ulcer
• Stromal keratitis
• Corneal scarring
• Permanent visual impairment
• Recurrent disease



Key Teaching Point

A dendritic ulcer with terminal bulbs and reduced corneal sensation is pathognomonic of HSV keratitis.

30/01/2026

Corneal Tear with Iris Prolapse
• A full-thickness corneal laceration where the iris herniates through the wound.
• Usually caused by severe penetrating trauma (sharp objects, metallic injury, road traffic accidents).
• Symptoms: severe pain, sudden vision loss, watering, photophobia.
• Signs: visible dark iris tissue at wound site, irregular or peaked pupil, shallow anterior chamber, positive Seidel test.
• This is a sight-threatening ocular emergency.
• Immediate management: eye shield, keep patient NPO, systemic antibiotics, tetanus prophylaxis.
• Definitive treatment: urgent surgical repair with reposition or excision of pr*****ed iris.
• Prognosis: depends on wound size, infection, and prompt intervention.




















Epithelial Defects (Corneal Epithelial Defects)Follow Eye Health for more updates. DefinitionAn epithelial defect is a l...
29/01/2026

Epithelial Defects (Corneal Epithelial Defects)
Follow Eye Health for more updates.

Definition
An epithelial defect is a loss or discontinuity of the corneal epithelium—the eye’s outermost protective layer—exposing the underlying stroma.



Common Causes
• Trauma: Fingernail injury, foreign body, contact lens–related trauma
• Dry eye disease: Tear film instability, exposure keratopathy
• Infections: Viral (HSV), bacterial keratitis (early stage)
• Neurotrophic keratopathy: Reduced corneal sensation (e.g., diabetes, post-HSV)
• Post-surgical: LASIK, PRK, cataract surgery
• Chemical injury: Acids/alkalis
• Mechanical: Trichiasis, entropion, poorly fitting contact lenses



Clinical Features
• Eye pain or foreign body sensation
• Redness and photophobia
• Watering (epiphora)
• Blurred vision
• Fluorescein staining: Bright green uptake under cobalt blue light



Classification (Practical)
• Superficial epithelial defect: Limited to epithelium
• Persistent epithelial defect (PED): Fails to heal within 10–14 days
• Recurrent epithelial erosion (REE): Repeated breakdown due to poor epithelial adhesion



Management

General Principles
• Identify and treat the underlying cause
• Promote epithelial healing
• Prevent infection

Medical Treatment
• Preservative-free lubricants (frequent)
• Prophylactic topical antibiotics
• Cycloplegics for pain (if needed)
• Bandage contact lens (selected cases)
• Discontinue contact lenses temporarily

For Persistent / Non-healing Defects
• Autologous serum eye drops
• Amniotic membrane transplantation
• Tarsorrhaphy (temporary)
• Treat lid abnormalities or dry eye aggressively



Complications (If Untreated)
• Infectious keratitis
• Corneal ulceration
• Scarring and permanent vision loss



Key Clinical Tip

Any epithelial defect with pain, reduced vision, or contact lens history should be monitored closely to rule out early microbial keratitis.
























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