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Contact Lens midterm 1

Authored by Ally Tran

Biology

Professional Development

Used 2+ times

Contact Lens midterm 1
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given the following SRx, which soft toric lens do you order for your patient?

OD: -1.00 -1.00 x 180

OS: -0.75 -1.25 x 178

a. -1.00 -1.00 x 180 / -0.75 -1.25 x 180

b. -1.25 -0.75 x 180 / -0.75 -1.25 x 180

c. -1.25 -1.00 x180 / -1.00 -1.00 x 180

d. -1.25 -1.25 x180 / -1.00 -1.00 x 180

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the ideal MOB when assessing a soft contact lens in primary gaze?

a. 1 mm

b. 1.5 mm

c. No movement

d. 0.1 mm

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

If a soft contact lens is too steep, which of the following complications are most anticipated?

a. Dryness

b. Fluctuating vision

c. Foreign body sensation

d. Decentration

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following are false regarding SiHi lenses?

a. Less likely to have corneal edema

b. More likely to see accumulation of epithelial debris

c. Increasing silicone content will increase the Dk

d. More likely to have protein deposits

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pick the correctly matched pair in regards to scleral lens fitting:

Impingement: outer landing zone

Compression

Outer landing zone

Edge lift

Steep scleral landing zone

Corneal warpage

Excessive apical clearance

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Select the appropriate way to remove a scleral lens from a patient's eye.

Use big DMV plunger and suction inferior (6:00)

Use small DMV plunger and suction inferior (6:00)

Use big DMV plunger and suction superior (12:00)

Use small DMV plunger and suction superior (12:00)

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

You determine that your SCL patient enjoys the comfort of their new lenses. Vision in office through contacts is 20/15 OD and OS, and the SOR is -0.50 DS. What do you do next? Select two.

a. Finalize new contact lens prescription with additional -0.50 DS.

b. Instill NaFI and check for staining.

c. Maintain current contact lens prescription and finalize today.

d. Select trials with additional -0.50 DS and have patient RTC in 1 week to re-evaluate.

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