T4 Blueprint - Eye and Vision (Josh) Flashcards
Which types of veggies do we want them to eat?
red, orange, and dark green
Snellen Chart assesses — —
Rosenbaum Pocket Chart assesses — —
Ishihara Chart assesses — —
visual acuity
near vision
color vision
— is ideal refraction.
Emmetropia
— is farsighted (can see far but not up close)
— is nearsighted (can so close but not far off)
Hyperopia
Myopia
— is pupil constriction
— is pupil dilation
Miosis
Mydriasis
— is uneven pupil sizes.
Anixicoria
What are Age-related Structural changes of the eye?
Decreased muscle tone
Ectropion and dry eye
Acrus Senilis
Cornea flattens and has irregular surface
Changes in sclera color (bluish due to thinning or yellowish due to fat deposits)
Less ability to dilate pupil
What are Age-related Functional changes to eye?
Yellowing
Accomodation gradually lost
Presbyopia (can’t see near)
Far Point decreases
Color perception decreases
IOP increases
— measures IOP. What is normal IOP?
Tonometry
10-20 mmHg
Fluorescein Angiography:
What should we teach client?
skin will be yellow
urine will be green
— allows visualization of that angle where iris meets cornea and is used to evaluate glaucoma.
Gonioscopy
What is a Hordeolum?
stye
What is difference between a Hordeolum and a Chalazion?
Hordeolum (stye) is painful whereas a Chalazion will decrease in pain over time
What is a Chalazion?
inflammation of sebacious gland of eye
How can you cleanse eyelids that have Blepharitis?
diluted baby shampoo
Conjunctivitis:
What is the chief cause of preventable blindness?
Trachoma
- chronic, bilateral scarring form of conjunctivitis
Cataracts:
— begins at back of lens
— begins in center of lens
— begins in lens cortex and extends from outside of lens to center
Subscapular
Nuclear
Cortical