Please enable JavaScript.
Coggle requires JavaScript to display documents.
CORNEAL ULCER (Etiological classification (Infective (Bacterial keratitis,…
CORNEAL ULCER
Etiological classification
Infective
Bacterial keratitis
Etiology
Staphylococcus
specific feature:
creeping ulcer
Streptococcus
specific feature: white opacity
Pseudomonas
specific feature: Semi blanching
Symptoms
Photo[hobia
Blurring of vision
Watering
Blepharospasm
Reddening d/t ciliary congestion
Signs
Blepharospasm
Anterior chamber
Reactive
Mobile hypopyon
Iris: loss of pattern
Pupil: Miosis (d/t toxic reaction)
Viral
Etiology
HSV keratitis
Types
Primary
Skin lesions present
Acute follicular conjunctivitis
Cornea
Epithelial punctate
Coarse epithelial punctate keratitis
Dendritic ulcer
Recurrent
Acute epithelial keratitis
Stromal
Disciform
Diffuse stromal
Trophic
Herpetic iridocyclitis
HZV ophthalmicus
Clinical phases
Acute
Chronic
Relapsing
Types
Punctate
Micro-dendritic
Nummular
Disciform
Iridocyclitis
Fungal keratitis
Etiology
Symptoms
non-specific
Signs
Immune ring
Feathery margins
Rough texture
Satellite lesions
Hypopyon (not mobile)
Protozoal
Etiology
Acanthamoeba keratitis
Symptoms
Signs
Limbitis
Ring infiltrate
Radial kerato-necrosis
Ring abscess
Allergic
Trophic
a/w systemic collagen vascular diseases
Trauma
Idiopathic
Complications
Perforation
Cataract
Panophthalmitis
Prolapse of intraocular lens
Desmatocele
Phthisis bulbi
Risk factors
Exogenous
Foreign bodies
Ocular
Dry eyes
Contact lens
Trichiasis
Blepharitis
Stye
Immunosuppressive therapy
Definition
Break in epithelium of cornea a/w necrosis and inflammation
Stages
Treatment