Anatomy Flashcards
name for the centre of the retina?
macula
what does the macula contain
fovea
what is the fovea responsible for
high visual acuity
what are rod cells for
night vision
what are cone cells for
colour vision
what does the fibrous layer of the eye consist of?
sclera + cornea
what does the vascular layer of the eye consist of?
- choroid
- ciliary body
- iris
what are the 2 layers of the retina
- pigmented layer
- neural layer
what is the optic disc?
the area where the optic nerve enters the retina
what is lens located between?
vitreous humor + pupil
what is the anterior chamber between?
cornea + iris
what is the posterior chamber between?
iris + ciliary processes
first branch of the internal carotid artery is?
ophthalmic artery
which blood vessel gives off branches which supply the optic nerve?
central retinal artery
what produces aqueous humor?
ciliary body
retina consists of what layers?
inner & outer plexiform layer
what photoreceptors does the retina consist of?
rodes & cones;
these photoreceptors convert light into electrical signals
how many layers does the retina consist of
10
what fibres is the cornea composed of?
regular arranged collagen fibres
how many layers does cornea consist of?
5
where does the cornea derive its life from
it is avascular & derives oxygen from tear film & aqueous
how many extra ocular muscles are there
6
