Clinical Practice Guidelines - Eye Examination Flashcards
Most Common Presenting Signs of Retinoblastoma
leukocoria (56-62%)
strabismus (20-24%)
Most Common Intraocular Tumor in Childhood
Retinoblastoma
RB is often diagnosed before _____.
5 y.o.
RB Incidence in Developed Countries
4/1M
RB Incidence in Developing Countries
2-6x higher than developed countries
3rd Most Common Malignancy in Children < 16 y.o.
Retinoblastoma
RB Survival Rate
90-95%
Leukocoria can be detected by doing the _____.
Bruckner Test (red-orange reflex)
Strabismus can be detected by doing the _____.
Corneal Reflex Test
Main Benefits of Screening
early detection and treatment
improved potential for preservation of vision
improved quality of life
increased overall survival
Treatment for RB
laser therapy focal radiation freezing or heating treatments chemotherapy enucleation
All eye examinations and visual assessments should be performed during _____.
the newborn period
all well child visits
The Bruckner Test should be done in a _____ to maximize pupil dilatation.
darkened room
Bruckner Test:
The direct ophthalmoscope is focused on each pupil individually approximately _____ away from the eye.
12-18 in.
Bruckner Test:
Both eyes are viewed simultaneously at approximately _____ away.
3 ft.
Corneal Light Reflex Test:
Using a penlight, the light is held approximately _____ in front of the face.
2 ft.
Cross Cover Test:
With the child looking straight ahead at an object _____ away, cover 1 eye with an occluder and look for movement of the uncovered eye.
3 meters
Cross Cover Test:
Move the occluder back and forth, waiting about _____ between movements.
1-2 sec.
