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Question 1
A 45-year-old patient presents for an OSCE contact lens evaluation with acute red eye, severe ocular pain, photophobia, and a 1.5 mm white focal corneal infiltrate with an overlying epithelial defect that stains with fluorescein. The patient routinely sleeps in extended-wear soft contact lenses. What is the immediate clinical management?
Correct Answer:
Discontinue contact lens wear immediately, perform a corneal swab/culture if indicated, and initiate intensive topical fluoroquinolone monotherapy (e.g., moxifloxacin or fortified antibiotics)
Question 2
During a contact lens station, an examiner asks you to fit a soft toric contact lens for an astigmatic patient. After insertion, the lens mislocates 10 degrees to the clinician's LEFT (clockwise rotation). According to the LARS rule (Left Add, Right Subtract), how should the SPECTACLE CYLINDER AXIS of 180 degrees be adjusted for the ordered contact lens?
Correct Answer:
Order an axis of 010 degrees (180 + 10 = 010)
Question 3
A 22-year-old rigid gas permeable (RGP) contact lens wearer exhibits an apical clearance fluorescein pattern ('steep fit') with central fluorescein pooling under the lens. How should the RGP lens parameters be modified to achieve an alignment fit?
Correct Answer:
Flatten the base curve (increase base curve radius in mm)
Question 4
A long-time soft contact lens wearer presents with bilateral upper eyelid itchiness, mucous discharge, and decreased lens tolerance. Eversion of the upper tarsal conjunctiva reveals large cobblestone papillae (>1.0 mm). What is the primary diagnosis?
Correct Answer:
Giant Papillary Conjunctivitis (GPC) / Contact Lens-Induced Papillary Conjunctivitis (CLPC)
Question 5
In an OSCE station evaluating slit lamp biomicroscopy of corneal endothelial integrity, what specialized illumination technique is required to view endothelial cell size and shape (specular reflex)?
Correct Answer:
Specular Reflection
Question 1
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About this Exam

Prepare with the OEBC OSCE Component Practice Questions - Optometry Examining Board of Canada Entry-to-Practice Examination - OSCE Component Exam practice quiz. This question bank includes 100 questions covering patient, year-old, presents, lens, and right. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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OEBC OSCE Component Practice Questions - Optometry Examining Board of Canada Entry-to-Practice Examination - OSCE Component Exam

This practice set contains 100 questions from the matching question bank and focuses on patient, year-old, presents, lens, and right. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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