Chapter 8 Flashcards
The ____ is the membrane that lines the eye.
Conjunctiva
What are modified sebaceous glands that produce an oily substance to lubricate the eye?
Meibomian glands
The optic disk marks…
The exit of the optic nerve II
The ____ is the outer white layer/area of the eyeball that is also called the fibrous tunic
Sclera
Focusing the light rays involves a…
Change in the shape of the lens of your eye
The ____ connects the surface of the eye
Conjunctiva
_____ ______ is the area of the retina containing only cone cells and is the area of greatest visual acuity
Fovea centralis
No photoreceptor cells are at the ____
Optic disk or blind spot
_____ secretes mucus to lubricate the eye
Conjunctiva
In the retina electrical signals pass from the photoreceptors via a two neuron chain: first the ____ and then the ____ before leaving the retina via the optic nerve
Bipolar cells, ganglion cells
The photoreceptors in the eye are found all over the
Retina (except optic disk)
The transparent anterior portion of the sclera is the ___
Cornea
The cornea is the only human tissue that repairs itself easily and can be___
Transplanted without fear of rejection
What is the term for nearsightedness?
Myopia
What is the term for farsightedness?
Hyperopia
