N.C.L.E (Prefit, Preparation and Evaluation)

n-c-l-e-prefit-preparation-and-evaluation

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1.) Which of the following medications may affect successful contact lens wear?

Select the correct answer(s).

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Explanation

The answer is B, Antihistamines are beneficial when treating allergies and cold symptoms because they dry out the mucous membranes of the nasal passage. However, this may also lead to dehydration of the tear film. Antihistamines have also been known to

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2.) Which terms refers to a sensitivity to light?

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Explanation

The answer is B, Photophobia refers to a sensitivity (\"phobia\") to light (\"photo\"). Presbyopia is the condition that results when patients are no longer able to focus on objects at a near point. Pannus is the invasion of the blood vessels onto the

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3.) The following is an example of what type of astigmatism: K's 42.50 @ 180 / 40.50 @ 90

Select the correct answer(s).

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Explanation

The answer is C, Against-the-rule astigmatism is present when the keratometer reading are steeper in the horizontal meridian (42.50 @ 180) than in the vertical meridian (40.50 @ 90).

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4.) The cornea receives nutrients from: {1.)Aqueous humor, 2.)Tears, 3.)Limbal blood vessels, 4.)Orbicularis occuli}

Select the correct answer(s).

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Explanation

The answer is C, The normal cornea is devoid of blood vessels. To provide metabolites, the cornea is nourised by diffusion of nutrients and oxygen by the aqueous humor, tears and vascular blood vessels in the limbus. The orbicularis occuli is a muscle

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5.) The increased loss of ability of the crystalline lens to accommodate is called:

Select the correct answer(s).

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Explanation

The answer is A, Presbyopia is the gradual loss of accommodation due to the hardening of the crystalline lens that takes place as a person ages.

N.C.L.E (Prefit, Preparation and Evaluation)

Question 1 of 1

Time Left

1.) Which of the following medications may affect successful contact lens wear?

Select the correct answer(s).

(0/0)

Explanation

2.) Which terms refers to a sensitivity to light?

Select the correct answer(s).

(0/0)

Explanation

3.) The following is an example of what type of astigmatism: K's 42.50 @ 180 / 40.50 @ 90

Select the correct answer(s).

(0/0)

Explanation

4.) The cornea receives nutrients from: {1.)Aqueous humor, 2.)Tears, 3.)Limbal blood vessels, 4.)Orbicularis occuli}

Select the correct answer(s).

(0/0)

Explanation

5.) The increased loss of ability of the crystalline lens to accommodate is called:

Select the correct answer(s).

(0/0)

Explanation

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