THE RED EYE. CAUSES OF A RED EYE n Subconjunctival haemorrhage.

THE RED EYE

CAUSES OF A RED EYE

Subconjunctival haemorrhageSubconjunctival haemorrhage

SUBCONJUNCTIVAL HAEMORRHAGE

Common Painless Recurrent

Haemorrhagic conjunctivitis

CAUSES OF A RED EYE

Subconjunctival haemorrhageSubconjunctival haemorrhage ConjunctivitisConjunctivitis

CONJUNCTIVITIS

Infective– Bacterial– Viral– Chlamydia– Ophthalmia neonatorum

CONJUNCTIVITIS

Infective– Bacterial– Viral– Chlamydia– Ophthalmia neonatorum

Allergic Chemical

CAUSES OF A RED EYE

Subconjunctival haemorrhageSubconjunctival haemorrhage ConjunctivitisConjunctivitis Episcleritis/scleritis

EPISCLERITIS/SCLERITIS

Episcleritis– Diffuse/nodular

Scleritis– Necrotising/non-necrotising– Association with systemic disease

Severity of pain

CAUSES OF A RED EYE

Subconjunctival haemorrhageSubconjunctival haemorrhage ConjunctivitisConjunctivitis Episcleritis/scleritis Corneal ulceration

CORNEAL ULCERATION

Bacterial • staphylococcal/streptococcal

pseudomonas - acanthamoeba

CORNEAL ULCERATION

Bacterial • staphylococcal/streptococcal

pseudomonas - acanthamoeba

Viral • herpetic disease

CORNEAL ULCERATION

Bacterial • staphylococcal/streptococcal

pseudomonas - acanthamoeba

Viral • herpetic disease

Associated with systemic disease

CAUSES OF A RED EYE

Subconjunctival haemorrhageSubconjunctival haemorrhage ConjunctivitisConjunctivitis Episcleritis/scleritis Corneal ulceration Iritis

Iritis

Symptoms– pain– decreased vision– photophobia– floaters

Signs– red eye(ciliary

injection)– KPs– AC cells/flare– Posterior synaechia– vitritis

Iritis (continued)

Aetiology

– In association with other illnesses• Arthritidies• Systemic diseases• Infections

– Isolated ocular disease

Iritis (continued)

Treatment

CAUSES OF A RED EYE

Subconjunctival haemorrhageSubconjunctival haemorrhage ConjunctivitisConjunctivitis Episcleritis/scleritis Corneal ulceration Iritis Acute angle closure glaucoma

ACUTE ANGLE CLOSURE GLAUCOMA

Predisposing factors

Symptoms - pain, decreased vision

Signs - red eye, corneal oedema, IOP, mid dilated pupil

ACUTE ANGLE CLOSURE GLAUCOMA

Treatment

CAUSES OF A RED EYE

Subconjunctival haemorrhageSubconjunctival haemorrhage ConjunctivitisConjunctivitis Episcleritis/scleritis Corneal ulceration Iritis Acute angle closure glaucoma Trauma

Trauma

Blunt Perforating - ?IOFB