Ophthoquestions Flashcards
Where are optic pits most commonly found?
Optic pIT = inferior temporal location
Four P’s of Hermansky-Pudlak Syndrome
Platelet disorder, Pulmonary fibrosis, Peurto Ricans, Pigment-less
TORN (mneumonic for Retinoschisis)
Typically outer plexiform (uncommon RD), Reticular nerve fiber layer (more common posterior extension)
Myotonic dystrophy mneumonic
my christmas tree cataract, frontal balding, ptosis, cardiac conduction defects, ophthalmoplegia
Mneumonic for ERG waves
You Pee before you BM (a wave= photoreceptors, B-wave= Bipolar and Mullers)
I love PTC ( Iatrogenic pseudotumor)
Isoretinoin
Lithium
OCP
Vit A
Endocrine (Synthetic Growth Hormone)
Prednisone
Tetracyclines
Cyclosporine
CONGENITAL Nystagmus features
Convergance and eye closure dampen nystagmus
Oscillopsia is absent
Null zone is present
Gaze position does not effect nystagmus
Equal amplitude and frequency ou
Near vision is good
Inversion of Optokinetic nystagmus
Turning of head (allows one eye to reach null position)
Absent nystagmus during sleep
Latent nystagmus
Nystagmus types and relationships
Downbeat: cervicomedullary junction (eg. Arnold Chiari malformation), cerebellar flocculus
See-Saw: Parasellar area (craniopharyngioma), midbrain
Opsoclonus: Neuroblastoma
Periodic alternating: cervicomedulary junction, cerebellar nodulus
Upbeat: cerebellum, medulla, midbrain
Spasm nutans: usually no tumor
Order of recurrence in corneal grafts
Rude Little Green Men keep coming back (Reis-Bucklers> Lattice > Granular >Macular)
Prevelance rates of Corneal Dystrophy
Get a Little More (Granular >Lattice>Macular)
Age of presentation of corneal dystrophy
Might Like to Grow (Macular, Lattice, Granular)
Types of Collagen and where they are found
Type 1 - There’s a ton (everywhere)
Type 2 - In the goo (Vitreous)
Type 3 - Heal Me (Healing)
Type 4 - In the Floor (Basement Membrane)
What creates dendrites with taped ends? (VZV or HSV)
VZV
Gelatinous drop like Corneal dystrophy
Dont (AR)gue, you need TACT 2 GEL with AMY (AR, TACT 2, Gelatinous, Amyloidosis)
Band Keratopathy deposits in what layer?
Bowman’s layer