OnlineMedEd: Surgery: Subspecialty - "Peds Ophtho" Flashcards
What is amblyopia?
Cortical blindness due to inappropriate input from the eyes (such as cataracts or strabismus)
Strabismus is ______________.
malalignment of the eyes (“lazy eye” or “wall eyes”)
Congenital strabismus needs to be fixed by _________ months to prevent amblyopia.
6
How do you treat acquired strabismus?
Patch over the good eye
Differentiate the two types of cataracts based on time.
- Present at birth: TORCH infection
* Not present at birth but present shortly thereafter: inborn error of metabolism (galactosemia)
Why do you not use radiation to treat retinoblastoma?
A child with retinoblastoma likely has an RB mutation. Radiation will knock out the other copy of RB in the good eye and induce retinoblastoma.
Retinoblastoma is associated with what other cancer?
Osteosarcoma
Retinopathy of prematurity presents with what on the retina?
Growths
How do you treat ROP?
Laser ablation of the growths
Chemical conjunctivitis was caused by ___________ (before it fell out of use).
silver nitrate
Characterize the following types of conjunctivitis by time, discharge, and treatment:
- Chemical
- Gonorrhea
- Chlamydia
- Chemical: first 24 hours, nonpurulent discharge, don’t use silver nitrate
- Gonorrhea: day 2 to 7, purulent discharge, topical erythromycin to prevent and cephalosporin to treat, and cultures to direct treatment
- Chlamydia: day 8 to 14, mucoid to purulent discharge, oral erythromycin