Gangrene of the eyelid

Skin gangrene is a very serious necrotic inflammation usually due to Streptococcus pyogenes and Staphylococcus aureus.

Even though its more common in the other parts of the body it can happen in the eyes and it presents with necrosis resulting from a rapidly progressing oedema. The treatment of choice is surgical debridement and parenteral benzylpenicillin.

## References

* v
* t
* e

* Diseases of the human eye (H00–H59
* 360–379)

Adnexa

| Eyelid|

| Inflammation|

* Stye
* Chalazion
* Blepharitis

|

* Entropion
* Ectropion
* Lagophthalmos
* Blepharochalasis
* Ptosis
* Blepharophimosis
* Xanthelasma

Eyelash|

* Trichiasis
* Madarosis

Lacrimal apparatus|

* Dacryoadenitis
* Epiphora
* Dacryocystitis
* Xerophthalmia

Orbit|

* Exophthalmos
* Enophthalmos
* Orbital cellulitis
* Orbital lymphoma
* Periorbital cellulitis

Conjunctiva|

* Conjunctivitis
* allergic
* Pterygium
* Pinguecula
* Subconjunctival hemorrhage

Globe

| Fibrous tunic|

| Sclera|

* Scleritis
* Episcleritis

|

Cornea|

* Keratitis
* herpetic
* acanthamoebic
* fungal
* Corneal ulcer
* Photokeratitis
* Thygeson's superficial punctate keratopathy
* Corneal dystrophy
* Fuchs'
* Meesmann
* Corneal ectasia
* Keratoconus
* Pellucid marginal degeneration
* Keratoglobus
* Terrien's marginal degeneration
* Post-LASIK ectasia
* Keratoconjunctivitis
* sicca
* Corneal neovascularization
* Kayser–Fleischer ring
* Haab's striae
* Arcus senilis
* Band keratopathy

Vascular tunic|

* Iris
* Ciliary body

* Uveitis
* Intermediate uveitis
* Hyphema
* Rubeosis iridis
* Persistent pupillary membrane
* Iridodialysis
* Synechia

|

Choroid|

* Choroideremia
* Choroiditis
* Chorioretinitis

Lens|

* Cataract
* Congenital cataract
* Childhood cataract
* Aphakia
* Ectopia lentis

Retina|

* Retinitis
* Chorioretinitis
* Cytomegalovirus retinitis
* Retinal detachment
* Retinoschisis
* Ocular ischemic syndrome / Central retinal vein occlusion
* Central retinal artery occlusion
* Branch retinal artery occlusion
* Retinopathy
* diabetic
* hypertensive
* Purtscher's
* of prematurity
* Bietti's crystalline dystrophy
* Coats' disease
* Macular degeneration
* Retinitis pigmentosa
* Retinal haemorrhage
* Central serous retinopathy
* Macular edema
* Epiretinal membrane (Macular pucker)
* Vitelliform macular dystrophy
* Leber's congenital amaurosis
* Birdshot chorioretinopathy

Other|

* Glaucoma / Ocular hypertension / Primary juvenile glaucoma
* Floater
* Leber's hereditary optic neuropathy
* Red eye
* Globe rupture
* Keratomycosis
* Phthisis bulbi
* Persistent fetal vasculature / Persistent hyperplastic primary vitreous
* Persistent tunica vasculosa lentis
* Familial exudative vitreoretinopathy

Pathways

| Optic nerve
Optic disc|

* Optic neuritis
* optic papillitis
* Papilledema
* Foster Kennedy syndrome
* Optic atrophy
* Optic disc drusen

Optic neuropathy|

* Ischemic
* anterior (AION)
* posterior (PION)
* Kjer's
* Leber's hereditary
* Toxic and nutritional

Strabismus
Extraocular muscles
Binocular vision
Accommodation|

| Paralytic strabismus|

* Ophthalmoparesis
* Chronic progressive external ophthalmoplegia
* Kearns–Sayre syndrome

palsies|

* Oculomotor (III)
* Fourth-nerve (IV)
* Sixth-nerve (VI)

Other strabismus|

* Esotropia / Exotropia
* Hypertropia
* Heterophoria
* Esophoria
* Exophoria
* Cyclotropia
* Brown's syndrome
* Duane syndrome

Other binocular|

* Conjugate gaze palsy
* Convergence insufficiency
* Internuclear ophthalmoplegia
* One and a half syndrome

Refraction|

* Refractive error
* Hyperopia
* Myopia
* Astigmatism
* Anisometropia / Aniseikonia
* Presbyopia

Vision disorders
Blindness|

* Amblyopia
* Leber's congenital amaurosis
* Diplopia
* Scotoma
* Color blindness
* Achromatopsia
* Dichromacy
* Monochromacy
* Nyctalopia
* Oguchi disease
* Blindness / Vision loss / Visual impairment

Anopsia|

* Hemianopsia
* binasal
* bitemporal
* homonymous
* Quadrantanopia

subjective|

* Asthenopia
* Hemeralopia
* Photophobia
* Scintillating scotoma

Pupil|

* Anisocoria
* Argyll Robertson pupil
* Marcus Gunn pupil
* Adie syndrome
* Miosis
* Mydriasis
* Cycloplegia
* Parinaud's syndrome

Other|

* Nystagmus
* Childhood blindness

Infections

* Trachoma
* Onchocerciasis

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