24 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
conjunctiva and cornea ... • 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 ... Proptosis -> Exposes cornea ... Orbital #Cellulitis #pathophysiology ... diagnosis #signs #symptoms
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
Transmission -> Eye-seeking ... of the limbal cornea ... the peripheral cornea ... Lubrication • Dry eye ... Trachoma #Chlamydia #pathophysiology
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
Axial length of eye ... length of the eye ... structures of the eye ... (ex. cornea, lens ... #Hyperopia #pathophysiology
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
-> Sydenham's Chorea ... RheumaticFever #pathophysiology ... diagnosis #signs #symptoms
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
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs / Symptoms ... detachment • Red Eye ... Retinoblastoma #pathophysiology ... diagnosis #signs #symptoms
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Red Eye - Differential ... Redness in the eye ... , blood in the eye ... Blepharitis Cornea ... Unilateral or bilateral 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 ... blindness Signs / Symptoms ... ClosedAngle #Glaucoma #pathophysiology
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
Note: Eye exam ... If the eye cannot ... Periorbital #Cellulitis #pathophysiology ... diagnosis #signs #symptoms