certified ophthalmic assistant Already passed

what muscle elevates the eyelid? - ANSWER-levator palpebrae superioris what are the triangular spaces formed by the junction of the upper and lower lids called? - ANSWER-canthi what is the pathway of tears? - ANSWER-lacrimal gland --> lacrimal ducts --> lacrimal punctum --> lacrimal caniculi --> lacrimal sac --> nasolacrimal duct what does the orbicularis oculi muscle do? - ANSWER-closes the eye when it contracts what is the area called where the bulbar and palpebral conjunctiva meet called? - ANSWER-fornix what are the three layers of the tear film? what produces each layer? - ANSWER-lipid layer- meibomian glands, aqueous layer- lacrimal glands, mucous layer- goblet cells in the conjunctiva t/f the lens has the most refractive power in the eye - ANSWER-f- the cornea has the most ref