WBUT 2013 CONTACT LENS - II Question Paper Code [CS/B.OPTM/SEM-6/BO-604/2013]




Time Allotted : 3 Hours                                              Full Marks : 70

The figures in the margin indicate full marks.

Candidates are required to give their answers in their own words

as far as practicable.


( Multiple Choice Type Questions )

1. Choose the correct alternatives for any ten of the following :

 10 × 1 = 10

i) LARS rule is applied in assessing the fitting of

         a) spherical soft contact lens

         b) spherical RGP lens

        c) toric soft contact lens

        d) multifocal lenses.

ii) The axial length of the eyeball at birth is

          a) 24 mm         b) 17 mm

         c) 20 mm          d) 10 mm.

iii) Tinted contact lens can be given in all except

          a) Albinism           b) Aniridia

          c) Amblyopia       d) Keratoconus.

iv) Piggy back-I lens refers to

       a) soft over RGP        b) soft over soft

      c) RGP over soft         d) none of these.

v) Enhanced monovision contact lens refers to

     a) single vision lens in one eye and bifocal in the

         other eye