19 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... conjunctiva and cornea ... dryness of the cornea ... #Xeropthalmia #pathophysiology ... #ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Chronic: - Cornea ... Painful: Keratitis, Corneal ... Dislocation, Retinal Detachment ... Diagnosis #causes #ophthalmology
Posterior Vitreous Detachment: Pathogenesis and clinical findings

Separation of the cortical vitreous from the neurosensory retina posterior
Posterior Vitreous Detachment ... Posterior Vitreous Detachment ... Perifoveal hyaloid detachment ... #pathophysiology ... #ophthalmology
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
of the limbal cornea ... the peripheral cornea ... fibrosis => • Corneal ... Trachoma #Chlamydia #pathophysiology ... #ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Vision Loss: • Corneal ... Loss: • Retinal detachment ... , Vitreous detachment ... diagnosis #causes #ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... #ophthalmology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Cornea 5. ... Trauma Cornea ... Keratitis • Corneal ... Retina: • Detachment ... differential #diagnosis #ophthalmology
Onchocerciasis “River Blindness”: Pathogenesis and Ocular Manifestations
Vectorial Transmission
-> Onchocerca volvulus, a parasitic helminth, matures in to
stromal keratitis -> Corneal ... RiverBlindness #pathophysiology ... #ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
- Retinal detachment ... Retinoblastoma #pathophysiology ... #ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Conjunctivitis, corneal ... neuritis • Retinal detachment ... Blepharitis Cornea ... • Corneal ulcer ... differential #diagnosis #ophthalmology