THE RED EYE

CAUSES OF A RED EYE n Subconjunctival haemorrhage

SUBCONJUNCTIVAL HAEMORRHAGE n Common n Painless n Recurrent n Haemorrhagic conjunctivitis

CAUSES OF A RED EYE n Subconjunctival haemorrhage n Conjunctivitis

CONJUNCTIVITIS n Infective –Bacterial –Viral –Chlamydia –Ophthalmia neonatorum

CONJUNCTIVITIS n Infective –Bacterial –Viral –Chlamydia –Ophthalmia neonatorum n Allergic n Chemical

CAUSES OF A RED EYE n Subconjunctival haemorrhage n Conjunctivitis n Episcleritis/scleritis

EPISCLERITIS/SCLERITIS n Episcleritis –Diffuse/nodular n Scleritis –Necrotising/non-necrotising –Association with systemic disease n Severity of pain

CAUSES OF A RED EYE n Subconjunctival haemorrhage n Conjunctivitis n Episcleritis/scleritis n Corneal ulceration

CORNEAL ULCERATION n Bacterial staphylococcal/streptococcal pseudomonas - acanthamoeba

CORNEAL ULCERATION n Bacterial staphylococcal/streptococcal pseudomonas - acanthamoeba n Viral herpetic disease

CORNEAL ULCERATION n Bacterial staphylococcal/streptococcal pseudomonas - acanthamoeba n Viral herpetic disease n Associated with systemic disease

CAUSES OF A RED EYE n Subconjunctival haemorrhage n Conjunctivitis n Episcleritis/scleritis n Corneal ulceration n Iritis

Iritis n Symptoms –pain –decreased vision –photophobia –floaters n Signs –red eye(ciliary injection) –KPs –AC cells/flare –Posterior synaechia –vitritis

Iritis (continued) n Aetiology –In association with other illnesses Arthritidies Systemic diseases Infections –Isolated ocular disease

Iritis (continued) n Treatment

CAUSES OF A RED EYE n Subconjunctival haemorrhage n Conjunctivitis n Episcleritis/scleritis n Corneal ulceration n Iritis n Acute angle closure glaucoma

ACUTE ANGLE CLOSURE GLAUCOMA n Predisposing factors n Symptoms - pain, decreased vision n Signs - red eye, corneal oedema, IOP, mid dilated pupil

ACUTE ANGLE CLOSURE GLAUCOMA n Treatment

CAUSES OF A RED EYE n Subconjunctival haemorrhage n Conjunctivitis n Episcleritis/scleritis n Corneal ulceration n Iritis n Acute angle closure glaucoma n Trauma

Trauma n Blunt n Perforating - ?IOFB