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MCQ’s NIOS Contact Lens Day May 2016

Caroline Christie

  1. What percentage of diagnosed Dry EYE is Aqueous vs Evaporative or a combination of both?
  1. 15% Aqueous only, 50% Evaportive only , 35% Aqueous & Evaporative
  2. 35% Aqueous only, 50% Evaportive only , 15% Aqueous & Evaporative
  3. 50% Aqueous only, 15% Evaportive only , 35% Aqueous & Evaporative
  1. If Dry Eye is Aqueous Only choose which of the statements below are True.
  1. Lid Margin is healthy and MGs are normal
  2. Tear Meniscus > 0.25mm
  3. Phenol Red Thread wets >10mm in 15 secs
  4. Foamy frothy tears may be seen
  1. Which of the following conditions would require further referral to ophthalmology?
  1. Filaments on Cornea
  2. Trichiasis
  3. Lagophthamos
  4. Sjogren’s
  5. All of the Above

Scott Brown

  1. What is the typical axis of astigmatism for Keratoconics?
  1. 50 and 130 degrees
  2. 60 and 120 degrees
  3. 90 and 180 degrees
  4. 45 & 135 degrees
  1. What percentage of normal patients have asymmetrical corneal topography, such as ‘dog leg’ skewed radial astigmatism or Bow Tie astigmatism?
  1. 44%
  2. 23%
  3. 33%
  4. 10%
  1. Which lens has the best surface lubriscosity when dry and when wet? Explaining why the lens with highest measure when dry may be a good choice for patients with Dry Eye?
  1. Total 1 highest when wet, RGP highest when dry.
  2. Acuvue 1 day moist highest when wet, RGP highest when dry.
  3. RGP highest when wet, Total 1 highest when dry.

Trusit Dave

  1. Which is the only Soft MF lens design on the market which is NOT an ASPHERIC design, and therefore really acts like a modified monovision lens?
  1. Proclear MF monthly
  2. Air Optix MF
  3. Acuvue 1 day Moist MF
  1. Which factors affects the visual success of a soft MF CL fitting?
  1. Optical Rx
  2. Pupil size
  3. Tear Film
  4. Lens Centration
  5. All of the Above
  1. How can you best measure MF lens centration on yor patient?
  1. Visual Acuity
  2. Slit Lamp
  3. Topography
  4. Comfort

 

Answers –

http://nios.org.uk/mcqs-contact-lens-day-may-2016-answers/