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تحميل الدليل التدريبي

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King Saud University

Collage of Applied Medical Sciences

Department of Optometry

Opto 354 Practical Exam

 

 

Name ………………………………….   ID NO……………………

 

 

Q. 1  How to correct the following fitting to obtain the Optimum fit .?

 

 

A)  ( Dia = 14.00 mm  / BC. = 8.50 mm ) Steep Fitting :

 

…………………………………………………………………………………………………………………………………………………

 

 

B)  ( Dia = 14.00 mm / BC . = 9.00 mm ) Flat fitting :

……………………………………………………………………………………………………………………………………………………

 

 

 

Q. 2   A 21 Yrs. Old girl wishes to wear contact lenses . Her clinical data are :

 

 

Parameters

     OD

OS

K readings

42.00 @180   / 40.50 @90  

44.00 @ 180 / 43.00 @ 90

HVID

12.50 mm

12.50 mm

VVID

12.00mm

12.00 mm

Pupil Dia.

4.00 mm

4.00 mm

Ref.

-4.50-0.25X180

-2.50-1.00 X 180

 

Find the initial lenses OU  ?

……………………………………………………………………………………………………………………………

 

 

Exam Answers :-

 

Q1)   (A) BC = 8.80 mm   Dia = 13.50 mm

           (B)  BC = 8.70 mm   Dia = 14.50 mm

 

 

 

Q2 )   RX :

 

 

BC

Dia

Power

OD

9.00 mm

14.50 mm

- 4.25 DS

OS

8.40 mm

14.50 mm

- 3.00 DS

 

 

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