Some Common Eye ConditionsSome Common Eye Conditions

BlepharitisBlepharitis

AnteriorAnterior

PosteriorPosterior

Complications of staphylococcal blepharitis

Recurrent styesRecurrent styes

Marginal keratitisMarginal keratitis Tear film instabilityTear film instability

Trichiasis,Trichiasis,

Madarosis,Madarosis,

PoliosisPoliosis

Signs of chalazion (meibomian cyst)

Painless, roundish, firm lesion Painless, roundish, firm lesion within tarsal platewithin tarsal plate

May rupture through conjunctiva May rupture through conjunctiva and cause granulomaand cause granuloma

Surgical Treatment of ChalazionSurgical Treatment of Chalazion

Injection of local anaestheticInjection of local anaesthetic

Insertion of clampInsertion of clamp

Incision and curettageIncision and curettage

Sub Tarsal FB - SignsSub Tarsal FB - SignsPossible fluorescein staining of cornea Possible fluorescein staining of cornea -foreign body tracks, often vertical foreign body tracks, often vertical

Embedded material on tarsal conjunctival surfaceEmbedded material on tarsal conjunctival surface Hyperaemia Hyperaemia

Corneal Abrasion (Acute) - SignsCorneal Abrasion (Acute) - SignsVary according to severity of trauma Vary according to severity of trauma - Lid oedema and erythema - Lid oedema and erythema - Conjunctival hyperaemia - Conjunctival hyperaemia - Corneal epithelial defect (stain with fluorescein) - Corneal epithelial defect (stain with fluorescein) - Corneal oedema beneath defect - Corneal oedema beneath defect - Visual loss (due to epithelial disruption and stromal oedema) - Visual loss (due to epithelial disruption and stromal oedema) - Possible secondary anterior uveitis (anterior ciliary injection, cells, flare) - Possible secondary anterior uveitis (anterior ciliary injection, cells, flare)

Corneal FB - SignsCorneal FB - Signs

FB adherent to ocular surfaceFB adherent to ocular surfaceLinear corneal scratchesLinear corneal scratchesCorneal rust ring from ferrous fbCorneal rust ring from ferrous fbSurrounding ring of oedema & infiltrate if long standingSurrounding ring of oedema & infiltrate if long standingSubconjunctival hge might be presentSubconjunctival hge might be present

Corneal ErosionCorneal Erosion

Hx of traumaHx of traumaCorneal dystrophy Corneal dystrophy

eg Cogan’seg Cogan’sRecurrent breakdown of Recurrent breakdown of

corneal epitheliumcorneal epithelium? Defective adhesion of ? Defective adhesion of

basement membranebasement membraneCan take up to 3 Can take up to 3

months to resolvemonths to resolve

Unilateral sharp painUnilateral sharp painLacrimationLacrimationPhotophobiaPhotophobiaDiscomfort on Discomfort on

awakeningawakeningBlurringBlurringCan recurCan recur

Contact Lens Red Eye ProblemsContact Lens Red Eye ProblemsCorneal infiltrative lesions - contact lens related or marginal keratitisCorneal infiltrative lesions - contact lens related or marginal keratitis  - - peripheral, small (0.5 – 1.5 mm) with less anterior chamber peripheral, small (0.5 – 1.5 mm) with less anterior chamber response response - - not a marker for increased risk of bacterial infection not a marker for increased risk of bacterial infection   

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