Optometrist Question and Answers

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Which of the following statements about Lasek is TRUE?

  1. e
  2. b + c + d
  3. a + c + d

LASEK ...

  1. Avoids the corneal stromal flap complications of LASIK caused by the keratome (metal blade or laser blade)
  2. Is different from PRK because an epithelial flap is created
  3. The epithelial flap in Lasek is less than 1/3 the thickness of the Lasik stromal flap & so problems of corneal destabilisation are avoided
  4. A soft contact lens is worn for 4 days post-operatively after Lasek
  5. All of the above.

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Which of the following statements is FALSE:

  1. a
  2. b
  3. c
  4. d

LASEK is safer than LASIK because:

  1. Epithelial flaps do not suffer from the same 30 or more individual complications of Lasik stromal flaps
  2. Diffuse Lamellar Keratitis occurs only in Lasik
  3. Epithelial Ingrowth occurs in both Lasik & Lasek
  4. A lost cap in LASIK usually results in very poor post laser surgery vision; while lost epithelium in Lasek does not affect the visual outcome.

Which of the following benefit statements is true?

  1. a + b + d
  2. h
  3. b + c + d
  4. d + e + f

Lasek benefits include:

  1. Greater safety
  2. No destabilisation of corneal strength by cutting or intralase cutting of the stromal flap.
  3. More predictability than Lasik
  4. Better visual acuity than Lasik
  5. Less (laser induced) Dry Eye Syndrome than Lasik
  6. Night Vision symptoms 50 % less than Lasik
  7. The only true platform to achieve customised Wavefront laser vision correction.
  8. all of the above

Which of the following statements about Lasek results is TRUE?

  1. a + c
  2. a + d
  3. b + d

Lasek results over the last two years.

  1. Over 97% of eyes achieved unaided vision as 'good or better than' pre-surgery best corrected spectacle vision while 40% of patients saw 1 line or better.
  2. Over 79% of eyes achieved vision as 'good or better than' pre-surgery best corrected spectacle vision while 10% of patients saw 1 line or better.
  3. 6% of patients who had customised Lasek improved uncorrected vision by 2 lines or more over their spectacle correction
  4. 1% of patients who had customised LASEK improved uncorrected vision by 2 lines or more over their spectacle correction.

Which of the following options in the statements below are INCORRECT?

Co-management works well with Lasek because...

  1. Lasek has a 3/4 day contact lens wear period to allow epithelial recovery and remodelling hence a longer/shorter recovery period and hence more/less post-operative care needed.
  2. You already have an established relationship with your patient and so patient rapport is lessened/extended with your/our practice.
  3. Co-management is a great/poor way to expand your clinical knowledge.
  4. Reports are emailed/faxed to NLVC.
  5. A co-management fee of $300/$700 is paid directly to the optometrist/patient

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Which of the below statements is TRUE?

  1. a
  2. b
  3. c
  4. d
  5. e

Co-Management schedule:
What medications should the patient be using on Day 1?

  1. Tear replacement drops Q1/2h, Gel Q2h
  2. Ciloxan Q2h, Tear replacement drops Q1/2h, Gel Q2h
  3. Ciloxan Q1D, Tears Q1/2h, Gel Q2h
  4. Maxidex, Tears Q1/2h, Gel Q2h
  5. Maxidex, Tears Q1/2h, Gel Q2h, Vitamin C500 bd

Which of the below statements on medication is TRUE?

  1. a
  2. b
  3. c
  4. d
  5. e

What medication should the patient be using on Day 7?

  1. Tear replacement drops Q1/2h, Gel Q2h
  2. Ciloxan Q2h, Tear replacement drops Q1/2h, Gel Q2h
  3. Ciloxan Q1D, Tears Q1/2h, Gel Q2h
  4. Maxidex, Tears Q1/2h, Gel Q2h
  5. Maxidex, Tears Q1/2h, Gel Q2h, Vitamin C500mg bd

Which of the below statements on checking IOP are TRUE?

  1. a + c
  2. b + c
  3. c
  4. d

Why is it important to check IOP on Day Eleven?

  1. Vitamin C causes IOPs to increase
  2. IOPs increase after LASEK
  3. 10% of population are steroid Responders
  4. All of the above

Which of the statements are TRUE?

  1. a + c + e
  2. b + c + d
  3. a + b + e
  4. f

By Day Eleven, on the first visit with the Optometrist:

  1. The Epithelium is now healed
  2. The Epithelium is now irregular or granular in places
  3. Remodelling is now complete
  4. Topical Steroid drops and Vitamin C help protect against haze formation.
  5. Visual acuity can vary from 6/4 down to 6/9
  6. All of the above

Which of the above statements are FALSE?

  1. a + b
  2. b + d
  3. a + d
  4. b + c

At the 1 month review:

  1. Patients should now be finished Maxidex and using Flarex, a weaker steroid
  2. An IOP>18mmHg is considered normal after Lasek Surgery
  3. Vision now should be excellent both day and night
  4. The use of tear replacements can now be ceased.

One month review should show the following:

  1. a
  2. b
  3. c
  4. d
  5. e

Which of the statements on recovery is FALSE?

  1. The Epithelium is well on its way to being remodelled
  2. A trace of haze may be detected with slit-lamp
  3. Symptomatic haze may be noted
  4. The likelihood of regression is significant with a dry stressed epithelial surface
  5. Collagen punctal inserts can be useful at this stage.

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