Brown's Bare Bones
Which is the next structure, in the drainage of aqueous fluid, after passing through Schlemm's canal?
Collector channels
Which of the following lenses cannot be used for dynamic gonioscopy?
A. Zeiss lens
B. Goldmann lens
C. Posner lens
D. Sussman lens
Goldmann lens
Which of the following traits is most likely associated with PACG?
A. AC depth of 2.8 mm
B. Male gender
C. Age less than 40 yo
D. First degree relative with PACG
D. First degree relative with PACG
PI is the treatment of choice for which of the following?
A. Secondary angle-closure after dense PRP
B. ICE syndrome
C. Phacoanalytic glaucoma
D. Phacomorphic glaucoma
D. Phacomorphic glaucoma
Changes in what finding in pts with congenital glaucoma can indicate progressive glaucoma even though the IOP appears to be controlled?
A. Axial length
B. Corneal thickness
C. Gonioscopic findings
D. Myopia
A. Axial length
Which process is thought to be the main contributor to aqueous formation by ciliary processes?
A. Ultrafiltration
B. Active secretion
C. Simple diffusion
D. Osmosis
B. Active secretion
Which parameter of the Goldmann equation cannot be directly measured clinically and must be calculated?
A. Outflow facility
B. Aqueous humor formation rate
C. Episcleral venous pressure
D. Uveoscleral flow rate
D. Uveoscleral flow rate
Name the gene:
-POAG
-Childhood or adolescent glaucoma
-Aniridia
-Axenfeld-Rieger
-Pseudoexfoliation
-POAG: GLC1A, GLC1B, GLC1C
-Congenital glaucoma: CYP1B1/GLC3A, GLC3B
-Aniridia: PAX6
-Axenfeld-Rieger: PITX2, FOXC1
-Pseudoexfoliation: LOXL1
50 yo with elevated IOP in the left eye presents with IOP of 12 and 30. SLE of left reveals dilated, tortuous conjunctival and episcleral vessels. What else is found on exam?
A. Conjunctival follicles
B. NV of iris
C. AC cell and flare
D. Blood in Schlemms canal
D. Blood in Schlemms canal
1 yo child referred for "enlarged right eye." EUA with IOP 30, corneal diameter of 13.8. You move forward with goniotomy with post-op IOP 14. Leading cause for decreased VA OD?
A. cataract
B. late onset corneal endothelial decompensation
C. CME
D. amblyopia
D. amblyopia
Which of the following statements regarding retinal ganglion cells is false?
A. M cells have largest diameter axons
B. M cells process info on motion
C. P cells are concentrated in central retina
D. P cells compose 20% of RGCs
D. P cells compose 20% of RGCs
Pt referred for abnormal gonio results: found to have CB tumor with elevated IOP. What is the mechanism of elevated IOP?
A. anterior segment hemorrhages
B. blockage of TM with inflammatory cells
C. direct invasion of angle
D. secondary angle closure
C. direct invasion of angle
Pt with T2DM presents with decreased VA, IOP 36, MCE. AC has tan colored cells; gonio appears open. DFE with inferior VH and PRP. Which is the dx?
A. NVG
B. Hemolytic glaucoma
C. Ghost cell glaucoma
D. OIS
Ghost cell glaucoma
Which topical β1-selective adrenergic antagonist is less likely to induce bronchospasm in patients with mild asthma?
A. Timolol
B. Carteolol
C. Betaxolol
D. Levobunolol
C. Betaxolol
A 4 yo with a port wine stain over his right face is brought to you. His right eye is significant for IOP 30 with dilated episceral vessels & CDR 0.8. What other testing is recommended?
A. Brain MRI
B. Genetic analysis
C. EEG
D. B scan
A. Brain MRI
What differentiates PAS caused by NVG vs PAS caused by ICE syndrome?
A. PAS from NVG does not cause total angle closure
B. PAS from NVG has a pinker hue
C. PAS from NVG ends at Schwalbe's line
D. PAS from NVG ends at anterior TM
C. PAS from NVG ends at Schwalbe's line
What is the purpose of LPI in patient with these exam findings?
A. eliminate posterior pressure pushing the iris forward
B. cause peripheral iris shrinkage, pulling away from angle
C. reduce "reverse" pupillary block
D. reduce rotation of CB to minimize zonular contact
C. reduce "reverse" pupillary block
What type of glaucoma is unlikely to resolve after cataract extraction?
A. PACG
B. Phacoanalytic glaucoma
C. An eye with angle recession after blunt trauma
D. Microspherophakia
C. An eye with angle recession after blunt trauma
In a pt undergoing trab with preop IOP of 40, which of the following pts is at greatest risk for developing a suprachoroidal hemorrhage?
A. Phakic eye, IOP in mid-teens
B. Phakic eye, IOP in single digits
C. Aphakic eye, IOP in mid-teens
D. Aphakic eye, IOP in single digits
D. Aphakic eye, IOP in single digits
A pt with presents with elevated IOP, ON cupping and following physical exam findings. What is the most likely ocular finding?
A. "beaten bronze" appearance of K endothelium
B. separation of posterior from anterior iris stroma
C. anteriorly-displaced Schwalbes line
D. small peripheral iris strump with foveal hypoplasia
C. anteriorly-displaced Schwalbes line
Name the arterial blood source for:
NFL
Prelaminar ON
Laminar ON
Retrolaminar ON
Intraorbital ON
NFL: CRA
Prelaminar ON: short posterior ciliary artery
Laminar ON: circle of Zinn-Haller
Retrolaminar ON: posterior ciliary artery
Intraorbital ON: pial branches of CRA
59 yo with h/o LPI OD presents with slightly elevated IOP. Anterior OCT as shown. What likely is most true regarding diagnosis?
A. PAS starts at Schwalbe's line and moves posteriorly
B. LPI is definitive treatment
C. Treatment with cycloplegics is recommended
D. Most often due to posteriorly positioned CB
A. PAS starts at Schwalbe's line and moves posteriorly
Name the glaucoma where the following are found in the TM:
Macrophages + proteinaceous material
Macrophages + RBCs
Photoreceptor outer segments
Degenerated RBCs
Macrophages + proteinaceous material: phacoanalytic glaucoma
Macrophages + RBCs: hemolytic glaucoma
Photoreceptor outer segments: Schwartz Matsuo
Degenerated RBCs: ghost cell glaucoma
Who is the best candidate for a trabeculectomy with mitomycin C?
A. Aphakic CTL wearer
B. Pt with NVG
C. Previous failed trab without antifibrotics
D. Pt with acute uveitis
C. Previous failed trab without antifibrotics
A. risk is same as someone without NF2
B. he is risk is greatest if he has a NF of the UL
C. he has 50% risk of developing glaucoma
D. he has 10% risk of losing vision from glaucoma
A. risk is same as someone without NF2