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39 Cards in this Set
- Front
- Back
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VIP screening phase I offer screening tests such as
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VA
RE stereopsis eye alighment |
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VIP screening phase I use what types of tests
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VA: Lea symbol, HOTV visual acuity
RE: RET Stereopsis: Random dot E Eye alignment: unilateral CT |
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VIP screening phase IA are administered by 2 group
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1. lay screener
2. LEP |
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Lay screeners at VIP IA screening does what?
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Lea symbol
HOTV visual acuity Randot smile II |
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LEP at VIP IA screening does what
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autorefractor
photoscreener Randot smile II |
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VIP phase II are administered by who
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1. pediatric nerse
2. lay screener |
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Tests Pediatric nurse for VIP phase II do
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Lea symbols at 10 ft (3m)
stereo smile autorefractor photoscreener |
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Test Lay screener for VIP phase II do
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Lea symbol at 5 ft
stereo smile autorefractor photoscreener |
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Tractional retinal tears means
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tear of the retina due to vitreous pulling free during vitreous detachment
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3 types of tractional retinal tears
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flap tear
tear along lattice lesions operculated tear |
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Tuft means
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consolidated piece of vitreous
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Operculum means
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piece of vitreous
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Horseshoe tear
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piece of retina floating in the posterior vitreal space
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Retinal detachment meaning
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entire all 10 layers are detached from the globe.
(RPE is detached from choroid) |
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Lattice degeneration means
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thinning of the retina (peripheral retina!)
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Retinal Schisis
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splitting of the retinal layers from each other, usually in OPL
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White w/o pressure
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adhesion of vitreous to the retina
Optical phenomenon |
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3 Instruments that allow to evaluate far peripheral retina
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BIO
Retinal 3-mirror Optos (digital imaging) |
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Normal eye alignment should be present by how old in infant
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6 months
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Upper age limit of infantile esotropia is
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6 months
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Diagnosis of strabismus (3)
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Hirschberg
Krimsky Unilateral cover test |
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What is the screening test for strabismus
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Bruckner-
red fundus reflex OU through DO at 1m |
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infantile ET prevalance
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2%
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% infantile ET accounted in total ET
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30-50%
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Signs of infantile ET
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large deviation
alternating ET cross fixation overacting of IO DVD latent nystagmus normal RE |
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Overacting of IO in infantile ET patient
Prevalence Onset |
70%
after 1 yr |
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Dissociated vertical deviation (DVD) in IE patient
Prevalence Onset |
50-90 %
2 yr |
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Accommodative ET
Prevalence Onset |
2%
2-3 yro can present at 6 mon |
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Cause of accommodative ET
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1. RE: moderate to high hyperope (+2~6D)
2. High AC/A |
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Exotropia
prevalence onset association most seen are intermittent or constant |
prevalence is unknown
onset: before 2 yo associated with CNS disorders mostly intermittent |
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Qualitative techniques for assessment of visual ability in infants are (3)
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fixation and following (central, steady, maintained)
VOR is suppressed Fixation preference |
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Quantitative measurement for VA in infants
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Preferential looking
VEP |
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Prevalence of astigmatism
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30%
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Emmetropization onset
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9-12 mon
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Priority in ocular health evaluation by BIO in infant exam
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Optic nerve and macula (FIRST!!)
ocular media rest |
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normal eye contact achieved by
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1 mon
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visual fixation and following should be showing by what age
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3 months
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Normal stereopsis in infant by
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6 months
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Associated phoria
def |
min amount of prism that neutralizes the fixation disparity
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