Stenopic slit'is used for all except-
Fincham's test
Determine the axis of cylinder
Corneal tattooing
lridectomy
Ans: C. Corneal tattooingRef: A, K. Khurana Comprehensive Ophthalmologt,4,h ed.Stenopic slit is useful in finding out the axis of the cylinder.(option b) stenopic slit is used in cases of corneal opacities to find out the optimal site for optical iridectomy.After dilating the pupil with a mydriatic, the slit is rotated in front of the eye and the axis which gives maximum clarity is chosen for optical iridectomy