Presbyopia

What is the commonest reason that persons over 40 drop out?

• Poor comfort

• Poor visual comfort

• Dry eyes

• Poor visual comfort at near

What is the most important factor when deciding to fit a contact lens?

• Age

• Motivation

• Career

• Hobbies

Who are at high risk for early presbyopia with contact lenses?

• Hyperopic

• Astigmatic

• Amblyopic

• Myopic

How do you find the ADD for a multifocal lens?

• Near part of Rx

• Dx Rx divided by 2

• Dx Rx – Near Rx

• Dx Rx + Near Rx

How are Monovision lenses usually fitted?

• Non-dominant eye near, dominant eye distance

• Both eyes near and a 3rd lens for distance

• Non-dominant eye distance, dominant eye near

• oth eyes distance and a 3rd lens for near

Which of these are not an issue with Monovision lenses?

• Stereopsis

• Issues with distance vision

• Shortened reading times

• Reduced contrast

Which of these companies supply toric multifocal lenses?

• Johnson and Johnson

• CooperVision

• Bausch and Lomb

• Alcon

When doing an over refraction which instrument would you not use?

• Phoropter

• Loose lenses

• Trial frame

• Over refraction isn’t necessary with presbyopic lenses

How long do you let the patient adapt to Monovision or Multifocal lenses to know if they are suitable or not?

• 15 Minutes

• 3 Hours

• 1 Week

• 2 Weeks

Mary is a 49 year old presbyope and wants to get fitted with contact lenses, what lenses would you start her off with?

• Mary shouldn’t be wear contact lenses

• Start with Monovision lenses and switch her over to Multifocals

• Fit with Multifocals

• Fit Monovision lenses