NCLE Complete Exams| All Questions with Correct Answers Latest Update Graded A+

antihistamines -Answer 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, they are also been known to slow down the blink rate and increase corneal sensitivity. a...

Which of the following medications may affect successful contact lens wear? A. Antacids B. Antihistamines C. Aspirin D. Laxatives -AnswerB. Antihistimines Which term refers to a sensitivity to light? A. Prebyopia B. Photophobia C. Pannus D. Ptosis -AnswerB. Photophobia The following is an...

The tolerance for the overall lens diamter according to the ANSI standards is: A. +/-0.005mm B. +/-0.05mm C. +/-0.01mm D. +/-0.1mm -AnswerB. According to the ANSI standards (Z80.2-1989), the tolerance for the overall diameter of a contat lens is +/-0.05mm. ANSI standards have been developed ...

A Correct Statement regarding epithelial cells is that they: a)Comprise the posterior layer of the cornea b)Are unable to regenerate c)Comprise the thickest layer of the cornea d) Have the ability to reproduce - Answerd) have the ability to reproduce Which of the following prescriptions indicat...

Steep Fluorescein Pattern -Answer Bright green pooling center, very faint green pooling on diameter of lens Flat Fluorescein Pattern -Answer Bright green pooling on diameter of lens, very faint green in center Against-the-rule Astigmatism Pattern -Answer Bright green pooling horizontally, fain...

base curve -Answerrefers to the radius of curvature of the central posterior surface of the lens. It may be expressed in diopters of surface power (D) or in millimeters (mm) of radius or curvature. optical zone -Answerthe chord diameter over which the base curve extends on the posterior surfa...

adnexa -Answerextraocular structures of the eye which include the eyelids, the orbit, lacrimal glands anterior chamber -Answerthe area bounded in front by the cornea and in the back by the lens and filled with aqueous aqueous -Answera clear, watery solution in the anterior and posterior chambe...

optic zone -Answerthe central portion of a contact lens which contains the refractive power and generally corresponds to the central corneal cap posterior apecal radius -Answerthis term is generally used in reference to spin-cast soft lenses. the curvature of the posterior surface of the lens c...

Diffused Illumination -Answer-Uses widest slit, longest aperture -Light source positioned at an angle of 40º-50º -Used to view overall areas, to observe the ocular adnexa, cornea, sclera, lids, conjunctiva, lens surface, and CL fitting characteristics Direct Illumination -Answer-Most importan...

1. The sagittal depth of a rigid gas permeable contact lens can be altered without changing the diameter by: A. Changing the power B. Changing the edge design C. Changing the radius of curvature of the anterior optical zone D. Changing the radius of curvature of the posterior optical zone -Ans...