"La ranura estenopeica se utiliza para todo excepto-"
	A: "Prueba de Fincham"
	B: Determinar el eje del cilindro
	C: "Tatuaje corneal"
	D: "Lridectomy" doesn't seem to be an English word. It may be a typo or a term specific to a certain field. If you provide more information or context, I can assist you with the translation.
	
"Tatuaje corneal"