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Contact Lens Ii Question Paper

Contact Lens Ii

Course:Bachelor Of Science In Optometry And Vision Sciences

Institution: Masinde Muliro University Of Science And Technology question papers

Exam Year:2013

MASINDE MULIRO UNIVERSITY OF SCIENCE AND TECHNOLOGY
(MMUST)
UNIVERSITY EXAMINATIONS
2012/2013 ACADEMIC YEAR
PROGRAMME:BSc.OPTOMETRY AND VISION SCIENCES
THIRD YEAR SECOND SEMESTER BSc. PROGRAMME EXAMINATION;
2012/2013
COURSE CODE: OPV 308
COURSE TITLE: CONTACT LENS II
DATE:Monday,29th April 2013 TIME:2.00PM-4.30PM
Instructions to candidates:
ANSWER ANY FIVE QUESTIONS IN ALL(EACH QUESTION CARRIES 15 MARKS)

1a)What are aims of screening a patient before contact lens fitting?
b)According to categories,discuss the basic factors to consider in selection of a suitable candidate for contact lens fitting.
2a)Briefly attempt any TWO practical examples of factors considered in patient selection for a specific contact lens need or fitting.
b)Briefly discuss any FOUR preliminary examinations,assessments and measurements carried out in preparation of contact lens fitting.
3a)Discuss the features and goals of the TWO routine trial contact lens fitting.
b)Briefly discuss any FOUR basic trial contact lens fitting materials and requirements.
c)Enumerate any SIX lens parameters and/or features to consider for lens selection during routine trial fitting.
4a)Compare and contrast between factors considered to ascertain desirability of both Rigid Gas Permeable(RGP) and Soft Contact Lens(SCL) fitness during routine trial contact lens fitting.
b)What are the basic parameters and/or specifications included in the final contact lens order.
5a)Discuss steps that should be undertaken before final lens dispensing to ensure patient comfort,suitability,compliance to contact lens use and mitigation,as much as possible after use complications.
b)Discuss in detail any TWO basic examinations to be carried out during routine after-care visitation of a contact lens wearer.
6.With regards to contact lens fitting,briefly explain the meaning of any TEN of the following terminologies.
• Tear Break-Up-Time(BUT)
• Staining
• Fluorescein pattern
• Best sphere
• Edge clearance
• Over-refraction
• Pooling
• Lens adherence
• Loose fitting/tight fitting
• Centration
• Adaptive symptoms
• Spectable blur

Contact Lens Ii Question Paper

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