Surgical conditions of the eye Flashcards
role of ophthalmology nurse
- assist with consults and examinations
- phone triage
- admin treatments
- set up for procedures
- maintain equipment
medial and lateral canthus
either corner of the eye
two punctum
upper and lower of nasal lacrimal ducts
nasal lacrimal duct
one end produces tears, other end comes out into nose and mouth
limbus
where the sclera meets the cornea
conjunctiva
thin layer of loose connective tissue which lies on top of the sclera (not in corners)
iris
controls diameter of pupil
what is the lens held in place by?
zonular fibres
vitreous chamber
jelly like substance
retina
contains photoreceptor cells
choroid
behind retina, contains blood vessels
optic nerve
transports signals to brain to convert them into images
dolicephalic eye conformation
can see white of sclera medially, maybe laterally but never dorsally or ventrally
- almond shape= good conformation
equipment for ophthalmic exam
- pen torch
- direct ophthalmoscope (looks into back of eye)
- 20D condensing lens (view of retina)
- tonometer (measures eye pressure)
- fluorescein (contrast agent)
- schirmer tear test strips (lacrimal secretions)
restraint for ophthalmic exam
- seat patient at edge of table
- place one hand over back towards chest and one hand supporting under chin
- don’t squeeze neck (will raise IOP)