Chapter 8 ( Visual Pathways )

Question 1

Emergency ttt of narrow angle glaucoma ?

Answer 1

Cholinomimetics
Carbonic anhydrase inhibitors
Mannitol

Question 2

Type of receptors in the ciliary body epithelium and their action ?

Answer 2

Beta receptor

When stimulated —> secretion of aqueous humor

When blocked —> decreased aqueous humor production

Question 3

Argyll Robertson pupil mechanism ? Seen in ?

Answer 3

Lesion in the pretectal nuclei just rostral to the superior colliculi

Seen in :
Neurosyphilis 
MS
Tabes dorsalis 
Pineal tumors

Question 4

Mechanism of Adie pupil ?

Answer 4

Ciliary ganglion lesion