Corneal disorders

Question 1

CHED1

Answer 1

• AD
• Pain, tearing, photophobia
• PROGRESSIVE
• NO nystagmus
• onset 2nd year
• both 1 and 2 have thickened stroma and Descemet’s

Question 2

CHED2

Answer 2

• AR
• No pain or tearing
• NONPROGRESSIVE
• NYSTAGMUS
• onset birth

Question 3

CHSD

Answer 3

• AD
• NO corneal edema
• flaky, feathery apperance of anterior stroma

Question 4

Riley-Day syndrome

Answer 4

• familial dysautonomia
• block of NE production
• decreased corneal sensation, lack of tearing, poorly reactive pupils, light-near dissociation
• skin blotching
• increased risk with general anesthesia
• enlarged corneal nerves

Question 5

Syphillis

Answer 5

-Hutchinson’s triad: interstitial keratitis, pegged teeth, deafness