Q1. Which of the following terms best describes the contact lens profile shown in the diagram (figure 1)?
Answer B. The lens diagram shows that there are three back surface curves of different radius and each clearly defined from the other two.
Q2. Which of the following best describes the fit of this RGP lens based on the fluorescein pattern (figure 2)?
Answer A. The central dark area suggests central corneal touch while the peripheral band of fluorescein indicates significant elevation of the edge of the lens from the ocular surface.
Figure 2
Q3. Which of the following best describes the fit of this RGP lens based on the fluorescein pattern?
Register now to continue reading
Thank you for visiting Optician Online. Register now to access up to 10 news and opinion articles a month.
Register
Already have an account? Sign in here
