OSCE: October, 2009
1. Cataract Surgery:phacodynamics
- Rise time, relationship between rise time and flow rate, conditions in which you prefer slow rise time ,complications of faster rise time
- TORIC IOL ;identify ,prerequisites, how many degrees will neutralize the power,other modalities to Treat astigmatism during cataract surgery
2. HVF: a left homonymous hemianopia, superior and inferior quadrantinopia .Questions: identify the field defects and the site of lesion of the same
3. Worth four dots test: with various conditions
4. Video: inferior oblique recession-name the surgery, what structure can be injured during the procedure, how many mm from limbus is the muscle attached
5. Photograph of child with ptosis, photo with Marcus Gunn phenomenon
- Grade levator function?
- To identify Marcus Gunn phenomenon in photo?
- How do u test levators function in child?
- What surgery is contraindicated in children?
6. First photo: infant with esotropia, Second photo demonstrating dolls head maneuver
- Give Differential Diagnosis.
- What does second photo show?
- What is habitual palsy?
7. Glaucoma:
- Photograph showing a encysted bleb: with high IOP, 2 months post operative: identification, cause of patients symptoms and treatment
- Cryo probe: identify, diameter, placed how many mm away from limbus, which positions u avoid
8. Refraction observer station: Questions : perform refraction,subjective refraction , glass prescription
9. Refraction: does 78d or 90d have larger field of view, what the spherical equivalent is of +0.5 Jackson cross cylinder
10. GDX: NFI, IES, abnormality in the printout , corresponding field defect seen
11. Gonio Pictures: CD cleft, silicone oil, prominent iris processes-conditions associated with each
12.observer station: lensometry
13. observer station: Keratometry
14. Cornea:
- Photo of child with bilateral corneal opacity and extremities deformities: identify, what other ocular examination you would like to do, definite treatment. It was a case of mucopolysaccharidosis
- Diffuse slit lamp photograph of a patient, asymptomatic with 10 – 2 clock area of corneal thinning. Identify, write corneal findings, treatment? Pellucid marginal degeneration
15. Retina:
- Photo: albinoptic fundus- identify ,causes of decreased vision
- Angiod Streaks-Fundus photo and FFA: Identify FFA findings. other ocular findings, systemic association
16 .Retina /Tumour:
- A port wine stain: identify, causes of decreased vision
- Fundus photo of retinal astrocytoma with FFA: photograph findings, FFA findings, diagnosis, systemic association
17 .Community Ophthalmology:
- DBCS
- DBCS concept, cataract surgical rate, economic and social blindness, preventive measures for childhood blindness
18. Pharmacology :
- Anti glaucoma medication causing lid retraction
- What is the pharmacological nature of bevazicumab
- Contraindications of avastin
- Newer nsaids- nepafenac,bromofenac
- Drugs used for chromovitrectomy
- prodrugs of penciclovir and acyclovir
21. Cornea:Pentacam-CCT, diagnosis
60 yr patient with PK done 2 years back with photo showing stomal infiltrates;? Stromal rejection ?recurrence of macular dystrophy
22 HPE:
Sebaceous gland carcinoma,: identify, one investigation before surgery,treatment,
Pyogenic granuloma-identify, DD in 20 yr old
23. Orbit and oculoplasty:
- Photo: involutional ectropion –identify, tests done ,treatment
- Hertels exophthalmometer: identify, significant readings, drawbacks
24. Abrahams iridotomy lens : identify, dioptric power of convex button, its uses
25. Microbiology: Color photo showing few infiltrates and grams stain shown fungal hyphae: identify, drugs of choice
26. OCT –
- ?foveal hypoplasia
- Subfoveal cnvm with SRF
- VMT with macular edema
27. FM -100 colour vision test: identify, number of discs, disadvantage of the test
28. Photograph of a child with exotropia
- types
- what test is done to reveal complete deviation
- principle of the test
- modalities of treatment
