👁️ Flashcards
(13 cards)
The integration centres for sensations consciously perceived are found in what area of brain?
Cerebral cortex
Which cranial nerves control movements of the eyeball?
3, 4, 6
Medial movements of the both eyes called?
Convergence
Where are high risk locations for globular rupture?
Muscle insertions and limbus
What is the medical term for conjunctival edema?
Chemosis
What is the order of layers of the eyeball from exterior to interior?
Fibrous Tunica: cornea & sclera
Vascular Tunica: ciliary body, choroid(highly vascularized-absorbs light), iris
Retina: neural tunic
Which photopigments see black and white and what is the ones for colour?
Rods: b&w
Cones: colour
What is the medical terms for near sighted and far sighted?
Near: myopia
Far: hyperopia
What is accomodation in sight?
Curvature of lens, looking far the lens becomes more convex/flat, looking close the lens becomes more concave due to ciliary body’s contracting
What is the area without rods and cones, where the optic nerve attaches, called?
Optic disk
What are infected sebaceous glands of the eyelid called?
Sty
What is the name of the cavity between the cornea and lens? What is the fluid called?
Anterior Cavity with aqueous humor(replaced every 90min by ciliary body)
What is the main cavity of the eyeball called?
Vitreous Chamber
