NEET PGKeratoconusOphthamology

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To view more videos download our ophthalmology app at • https://play.google.com/store/apps/de... • • Keratoconus:@0:10 • → Keratoconus → Conical cornea, very thin at the apex • Note : Conical cornea with normal thickness → ECTASIA • → Mostly seen in females. • → Manifests at 20 – 30 yrs. • → History of frequent change of glasses. • On Examination:@1:25 • → Munson’s Sign : • • Indentation of lower lid by keratoconus while looking down • → Vogt’s Striae: • • Vertical scratches in stroma of the cornea • Note : Vogt’s traid is seen in Acute angle closure Glaucoma • → Fleischer’s ring: • • Epithelial iron ring surrounds the base of the cone • Note: Kayser Fleischer ring: Seen in Wilson’s disease. • Kayser Fleischer ring: Copper deposit on descement’s membrane • Management of Keratoconus:@3:06 • → Glasses • → Contact lenses: • • Soft contact lenses should not be used • • Semi soft contact lenses are prescribed • → Corneal Hydrops: • • Occurs in Keratoconus • • Descemet’s membrane perforates aqueous humor enters corneal stroma. • • With time hydrops heals with central scarring. • • Rx by Keratoplasty. • → C3 R (CxR) • • Corneal collagen crosslinking with Riboflavin, new modality of Rx. • • Stops progression, increases strength of cornea with covalent bonding(UV irradiation with riboflavin)

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