QUESTIONS AND ACCURATE ANWERS\VERIFIED
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ANSWERS: Bruckner test - turn off all the lights, shine your light and
look for the red reflex
what test is used to assess leukocoria
ANSWERS: Immediate referral to an ophthalmologist
what is the first step after you've identified a patient with leukocoria
and you have a high suspicion for retinoblastoma
ANSWERS: retinoblastoma
the most common primary ocular malignancy of childhood, a
malignant
tumor of developing retina, usually diagnosed by age 2 but can occur
up to age 18
ANSWERS: unilateral
retinoblastoma is more commonly unilateral or bilateral
,ANSWERS: 94%
what is the 5 year survival rate in a patient with a retinoblastoma
that you have caught before it metastasizes
ANSWERS: 1 year survival rate less than 50%
what is the survival rate in a patient with retinoblastoma if it
metastasizes
ANSWERS: arises from the retina, grows to fill eye and destroys the
globe - can metastasize within 4 months via the optic nerve to the
nervous system
a retinoblastoma tumor originates where? how does it progress?
ANSWERS: hematogenously to the brain, bone and lung
if a retinoblastoma metastasizes to the choroid plexus it can further
metastasize to where
ANSWERS: ANSWERS: ophthalmoscope exam to visualize retinal
mass, follow up CT, US or MRI to reveal the mass, calcifications and
extent of metastasis
diagnosis of retinoblastoma
, ANSWERS: tumor control and preservation of vision
treatment for retinoblastoma is geared toward
ANSWERS: external beam radiation, chemotherapy, radioactive
plaques
what are some examples of treatment options to be individualized
for a patient with retinoblastoma
ANSWERS: nearsightedness
myopia
ANSWERS: farsightedness
hyperopia
, ANSWERS: enucleation - removal of the eyeball
what retinoblastoma treatment is done if a tumor has destroyed > 50%
of the globe and has no visual potential
ANSWERS: cornea not perfectly spherical - oblonged shape
astigmatism
ANSWERS: visual acuity
examination to determine refractive state
ANSWERS: glasses, contact lenses, laser refractive surgery not
indicated
treatment for refractive errors
ANSWERS: age 5
when does visual maturity occur - visual acuity of 20/20
ANSWERS: visual behavior not visual acuity
before 3-5 when assessing visual acuity you are checking for