Flashcards in T4 - Eye and Vision Assessment (Josh) Deck (51)
What are the different types?
What causes Hyperopia (Farsightedness)?
lens does not refract light enough
What causes Myopia (Nearsightedness)?
lens overbends the light
What is Miosis?
pupil constricted when exposed to increased light or close work, such as reading
What is Mydriasis?
pupil dilates when exposed to reduced light or looking at distance
--- is constriction
--- is dilation
What is it called when eyes are uneven in size?
What type of food should we promote for good vision?
- Dark Green
--- --- assesses visual acuity.
--- --- assesses near vision
Rosenbaum Pocket Vision Screener
What does the Ishihara Chart assess?
What is Arcus Senilis?
a narrow opaque band encircling the cornea, common in old age
***caused by fat deposits
What happens to Cornia as we age?
flattens, irregular surface of curve
Is yellowing of the lens normal as we age?
What is Presbyopia?
diminished ability to focus on near objects as we age
As we age, what happens to intraoccular pressure?
What does a Slit-Lamp Examination do?
magnifies the anterior structures
What do we do to check for corneal trauma, abrasions or ulcers?
Which test measures Intraoccular Pressure?
***can be attached to the Slit-Lamp Device
Which test assesses retinal circulation and requires IV Access?
Teaching for Fluorescein Angiography
Mydriatic eye drops prior
Fluids afterwards to flush contrast media
Skin may appear YELLOW for few hrs afterwards
Urine BRIGHT GREEN after test
What is an Electroretinography?
graphs retinal response to light stimulation
What does a Gonioscopy allow visualization of?
angle where iris meets cornea
What is purpose of Gonioscopy?
determines if Open Angle of Closed Angle Glaucoma
What is Blepharitis?
inflammed, itchy red, eyelid
Greasy scales on brows and lids
What is Entropion?
inward turning of lid causing lashes to rub against eye
***requires surgical correction
What is Ectropion?
outward turning of eyelid
--- is inward turning of eyelid
--- is outward turning of eyelid
ENtropion is INward
ECtropion is outward (ek)
What is term for a Stye?
What is a Chalazion?
inflammation of sebaceous gland in eye