32 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... • Loss of the eye ... non-functional eye ... #Xeropthalmia #pathophysiology ... diagnosis #signs #symptoms
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
all coats of the eye ... interior of the eye ... Exposes cornea -> Corneal ... Orbital #Cellulitis #pathophysiology ... diagnosis #signs #symptoms
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
present with a red eye ... lights are a key symptom ... Occurs in small eyes ... obstruction • Corneal ... ClosedAngle #Glaucoma #pathophysiology
FIGURE 3. KERATIC PRECIPITATES. COURTESY OF WIKIMEDIA COMMONS AND JONATHAN TROBE, MD.

In addition to a good
perform a thorough eye ... cells deposited on corneal ... Ophthalmology #Uveitis #SlitLamp
Ocular Rosacea - Slit-lamp examination revealed telangiectasia with hyperemia of the eyelid margins, conjunctival hyperemia, and
cornea in both eyes ... , with corneal infiltrate ... in the right eye ... Ophthalmology #SlitLamp ... Ocular #Rosacea #Corneal
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
Transmission -> Eye-seeking ... fibrosis => • Corneal ... Lubrication • Dry eye ... Trachoma #Chlamydia #pathophysiology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• Examine both eyes ... • Neurologic symptoms ... Functional • Corneal ... Cranial Nerve Ill - Eye ... Cranial Nerve IV - Eye
Onchocerciasis “River Blindness”: Pathogenesis and Ocular Manifestations
Vectorial Transmission
-> Onchocerca volvulus, a parasitic helminth, matures in to
Microfilariae enter the eye ... stromal keratitis -> Corneal ... RiverBlindness #pathophysiology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Red Eye - Differential ... Redness in the eye ... Conjunctivitis, corneal ... Unilateral or bilateral symptoms ... • Corneal ulcer
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Blood: Anemia Eyes ... Episcleritis) -> Sudden eye ... glands -> Dry Eyes ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms