Eyes Flashcards
Nervous components of vision
Orbit
, ocular adnexa
, eye,
visual pathway
Intraocular pressure (IOP)
10-21 mm Hg
Visual pathway
- Light passes through cornea
- Aqueous humor
- Lens
- Vitreous humor
- Retina
- Optic nerve
- Optic chiasm
- Occipital cortex
Miosis
Pupillary constriction
Mydriasis
Pupillary dilation
Latanoprost nursing implications
Check cornea for abrasions, do not use if cornea not intact
Affected eye only
Brimonidine tartrate nursing implications
Avoid MAOI (raised BP)
Dark glasses outside because pupils remain dilated
Do not put contacts back until 15 min after use
Timolol nursing implications
Constricts narrow airways (caution COPD)
Causes hypoglycemia (caution DM)
Check pulse &call MD if <60 consistently (oral beta blocker use)
When admin, occlude puncta
Dorzolamide nursing implications
Check for sulfonamides allergy, shake med before giving, do not use in contact lens