At the commencement of examination, if the keratometer mires look blurry or doubled to the examiner, what should be done?
A) The focusing knob should be adjusted
B) The eyepiece should be adjusted
C) The joystick should be used to move the barrel
D) A and C
Correct Answer:
Verified
Q1: What is the radius of the corneal
Q2: If a patient's eyesight is very poor
Q4: An ophthalmometer is also known as a
A)tonometer.
B)specular
Q5: If a patient comes in for a
Q6: Which of the following keratometry readings is
Q7: Conventionally, the first number in a written
Q8: If a patient has had refractive surgery,
Q9: To ensure accuracy, the keratometer must be
A)periodically
Q10: What part of the cornea does the
Q11: "Against the rule"refers to the corneal astigmatism
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