Ophthalmology - Word Building Medical language is all about medical words and their word parts. Jump right into this chapter by learning some of the common combining forms and their definitions that you will encounter in this chapter. acu/oambly/oanis/oaque/oblephar/ocapsul/ochoroid/ocil/oconjunctiv/oconverg/ocorne/ocor/ocycl/odacry/odipl/ofove/ofund/ogoni/oirid/oir/okerat/olacrim/o- t lenticul/olent/olimb/omacul/omi/omydr/omyop/oocul/oophthalm/oopt/oorbit/ophak/ophot/opresby/opupill/oretin/oscler/oscot/oton/otrabecul/otrop/ouve/ovis/ovitre/oxer/o- needle; sharpness dimness unequal watery substance eyelid capsule (enveloping structure) choroid hairlike structure conjunctiva coming together cornea pupil ciliary body; cycle lacrimal sac; tears double small, depressed area fundus (part farthest from the opening) angle iris iris cornea ears lens lens edge; border small area or spot lessening widening near eye eye eye; vision orbit (eye socket) lens light old age pupil retina hard; sclera (white of the eye) darkness pressure; tone trabecula (mesh) having an affinity for; stimulating; turning uvea sight; vision transparent substance; vitreous humor dry