Objective 5c Degenerative conditions of the cornea

Question 1

Keratoconus

Answer 1

S: Blurry vision
O: Oval shaped, distored keratometric mires, steppening of the apical corneal curvature, Straie you can see the “cone” of the cornea pushes against the margins of the lower lid by asking the px to gaze downward.
A: record
P: Refer if new, fit with GP lenses

Question 2

Terrien’s Disease (slowely progressive, bilateral, peripheral corneal disorder associated with neovascularization, opacification, lipid deposition and thinning.)

Answer 2

S: Painless, progressive blurred vision
O: Interior circumferential, yellow demarcation line
A: record
P: new refer, fit GP lenses

Question 3

Band Keratopathy

Answer 3

S: Decreased vision, foreign body sensation and irritation
O: band of brownish-stain in the anterior cornea caused by calcium salts
A: record
P: Referral

Question 4

Climate (Droplet) Keratophy (CDK)

Answer 4

S:
O: accumulation of translucent golden-yellow material in the superficial corneal stroma within the interpalpebral strip (happens in dry dusty hot sunny places)
A: record
P: Referral

Question 5

Arcus senilis

Answer 5

S: No symptoms
O: Greyish-white ring at the edge of the cornea
A:record
P: referral

Question 6

Corneal Dystrophies: Fuchs’,

Cogan’s

Answer 6

S: unilateral visual impairment
O:One or more layers of the cornea looses its normal clairity and becomes cloudy in various patterns looks like bubbled paint
A: record
P: Refer

Question 7

Blebs (Endothelial Edema)

Answer 7

S: None
O: Black “holes” on the endothelium when viewed with specular reflection. Intercellular edema of endothelial cells
A: record
P: if new refer, refit with SiHy or hight DkGP lenses.