COA Study Guide Questions with 100% Correct Answers

3 levels of certified ophthalmic assisting in order of degree of training and experience Correct Answer Certified Ophthalmic Assistant Certified Ophthalmic Technician Certified Ophthalmic Medical Technologist OMT may be required to do all of the following Correct Answer perform diagnostic tests assist with office surgical procedures administer certain medications to patients schedule and greet patients while performing a diagnostic test patient addresses you as Dr and asks what should be done about an eye condition. Correct Answer best initial reaction would be to tell patient ypu are an assistant, not a Dr and refer patient to Dr for advice how does the eye convert light rays Correct Answer rays pass through eyeball, bent to produce upside-down image of object then converted to electric impulses carried to brain where image is translated so that the object is perceived in its upright position primary structures in adnexa Correct Answer orbit, extra-ocular muscles, eyelids, tear producing and tear draining lacrimal apparatus structure and function of the orbit Correct Answer pear shaped bony cavity in skull to protect from major injury by a rim of bone 3 functionsof the eyelid Correct Answer protect eye from injury, exclude light, aid in lubrication of ocular surface 3 layers of the eyelid Correct Answer outer layer of skin, middle layer of fibrous tissue & muscle, inner layer of tissue called conjunctiva principal function of lacrimal apparatus Correct Answer produce tears, ducts that drain the excess fluid from front of eyes into nose why tears are important to functioning of eye Correct Answer ocular comfort, nourish eye relationship between lacrimal gland, lacrimal sac, and nasolacrimal duct Correct Answer tears produced in lacrimal gland, tears collected in lacrimal sac, tears drain into nasal cavity by means of nasolacrimal duct.