21 results
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Anatomical Approach to Eye ... Ocular Adverse Effects ... in vision • Eye ... with or without eye ... differential #diagnosis #ophthalmology
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... • Loss of the eye ... #Xeropthalmia #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Approach to an Eye ... Accommodation, RAPD ... Cornea D. ... Retina B. ... EyeExamination #Approach #Ophthalmology
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
Transmission -> Eye-seeking ... from nasal or ocular ... Lubrication • Dry eye ... Trachoma #Chlamydia #pathophysiology ... #ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Impaired extra-ocular ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
(ex. cornea, lens ... point behind the retina ... focused onto the retina ... #Hyperopia #pathophysiology ... #ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Conjunctivitis, corneal ... Episcleritis Ocular ... Unilateral or bilateral symptoms ... #ocular #differential ... #diagnosis #ophthalmology
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
• Spots in the eyes ... Detachment: Symptoms ... - photopsia on eye ... Differential #Diagnosis #Ocular ... #ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs / Symptoms ... detachment • Red Eye ... Retinoblastoma #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Onchocerciasis “River Blindness”: Pathogenesis and Ocular Manifestations
Vectorial Transmission
-> Onchocerca volvulus, a parasitic helminth, matures in to
Pathogenesis and Ocular ... Microfilariae enter the eye ... stromal keratitis -> Corneal ... RiverBlindness #pathophysiology ... #ophthalmology