Lacr imal gland Superior rectus muscle Excretory duct Con junct ival sac Palpebral con junct iva Upper eyelid Sclera Anterior chamber angle Ciliary process choroid Anter ior chamber Posterior chamber Retina Pupil Crystal line lens Corne Ma Iris Vitreous Sc s IC Lou le Lower eyelid Optic nerve Ciliary body Canal of schlemm albar con junct iva Central retinal artery Central retinal vein Tear fluid Inferior rectus muscle 眼球断面图眼球断面图 Lacrimal gland Excretory duct Conjunctival sac Paipebral conjunctiva Upper eyelid Anterior chamber angle Anterior chamber Cornea Pupil Iris Lashes Lower eyelid Canal of Schlemm Bulbar conjunctiva Tear fluid Inferior rectus muscle Ciliary process Posterior chamber Crystalline lens Zonule Ciliary body Vitreous Sclera Choroid Retina Optic nerve Central retinal vein Central retinal artery Mavulea Superior rectus muscle