The portion of the fibrous tunic that is white and opaque
What is the "sclera"?
100
Controls the amount of light entering the eye
What is the "iris"?
100
The function of the lens is to ____________ the light rays and focus them on the retina
What is "converge"?
100
While focusing on a close object, accommodation occurs due to:
What is "the ability of the lens to change shape"?
100
The type of muscle that controls your eyelids: smooth, cardiac, skeletal
What are " smooth muscle and skeletal muscle"?
200
The transparent structure through which light enters the eye
What is the "cornea"?
200
Portion (tunic) of the eye concerned with image formation
What is the "retina"?
200
The bending of light rays
What is "refraction"?
200
The cortical region for vision is in this lobe of the brain
What is the "occipital lobe"?
200
Presbyopia is usually due to:
What is "loss of elasticity of the lens"?
300
The anterior chamber of the eye is filled with __________
What is "aqueous humor"?
300
Vascular, light-absorbing tunic part
What is the "choroid"?
300
The main function of the rods of the retina
What is "vision in dim light"?
300
An area of the retina that contains a high concentration of cones
What is the "fovea centralis"?
300
Blockage of the canal of Schlemm might result in:
What is "glaucoma"?
400
The tunics of the eyeball in the correct order from outermost to innermost layer:
What are "sclera, choroid, retina"?
400
Supports and protects the eyeball
What is the "sclera"?
400
The sequence of reactions which occurs when a person looks at a distant object: pupils constrict/dilate; suspensory ligaments become taut/relaxed; lenses become more/less convex
What is "pupils dilate, suspensory ligaments become taut, lenses become less convex"?
400
The following cannot be seen as one looks into the eye with an ophthalmoscope: fovea centralis; optic disk; optic chiasma; macula lutea
What is the "optic chiasma"?
400
The proper name for nearsightedness
What is "myopia"?
500
Four refractive media of the eye, listed in the sequence in which they refract light:
What are "cornea, aqueous humor, lens, vitreous humor"?
500
Muscular structure that manipulates the lens
What is the "ciliary body"?
500
The normal route for the flow of tears from the eyes into the nasal cavity. Please order the following:
lacrimal sacs, lacrimal canals, nasolacrimal ducts
What is "lacrimal canals, lacrimal sacs, nasolacrimal ducts"?
500
Of the neurons in the retina, the axons of these form the optic nerve
What are the "ganglion cells"?
500
Which eye accessory glands do the following: a. produce oil; b. secrete mucus; c. produce a saline solution containing lysozyme and antibodies
What is "a. Meibomian glands; b. conjunctiva; c. lacrimal glands"?