Gas permeable lenses - Study guides, Class notes & Summaries

D. all of the above - Answer The eyelids play an important role in the fitting and wear of contact lenses for which of the following reasons? A. they effect the wettability of the lens serface B. they effect the positioning of the lens C. they are sensitive and generally cause most of the discomfort when a lens is first placed on the eye. D. all of the above C. Loose lenses - Answer Small puncuated stains on the corneal epithelium when seen under an ultraviolet light are most likely cause...

NCLE Practice Test Questions And Answers Latest Update 2023/2024. 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 - Answer d) have the ability to reproduce Which of the following prescriptions indicates against-the-rule astigmatism? a)-4.50 +1.00 x75 b)-4.50 +1.00 x 180 c)-4.50 -1.00 x 165 d)4.50 -1.00 x 180 - Answer a)-4.50 +1...

NCLE Practice Exam Questions with Correct Answers Already Graded A+ 2023-2024. Upon initial insertion of a GP lens, the patient complains about flare. To correct this problem, the fitter should choose a lens with a/an: a) increased base curve b) increased optical zone c) decreased optical zone d) flattened base curve - Answer b) increased optical zone Which curve would a fitter modify to allow more tear flow under the edge of a rigid lens? a) Posterior peripheral curve b) Optical curve ...

NCLE 2024 Exam Questions with Correct Answers which of the following is not important to document in medical records for contact lens patients? - Answer-location at which the patient was originally taught insertion and removal which of the following will not increase the movement of a tight fitting rigid gas permeable lens? - Answer-enlarge the posterior optic zone After building up her wearing time, Jennifer returned for an afternoon recheck after eight hours of lens wear. The lenses ...

NCLE Practice Test Questions And Answers Latest Update 2023/2024 | 100% Verified. A long-term, successful, hydrogel contact lens wearer suddenly develops dry eyes. Which of the following is most likely to cause this problem? a) Use of oxidative solution b) use of rewetting drops c) use of anti-histamines d) Wearing of lenses in the wrong eyes - Answer c) use of anti-histamines During slit-lamp evaluation, on upward gaze, a patient's soft contact lenses move 0.5 to 1mm when the patient bl...

C. Loose lenses - ANSWER-Small puncuated stains on the corneal epithelium when seen under an ultraviolet light are most likely caused by: A. foreign bodies B. loose lenses C. tight lenses D. epical clearance lenses D. Too tight a lens - ANSWER-After about four hours of wear, your patient complains that his eyes feel "hot". This may be an indication of: A. too small a lens B. too large a lens C. too loose a lens D. too tight a lens B. Rigid PMMA Lenses - ANSWER-Three and nine O'c...

NCLE Exam Review Questions & answers, rated A+/ VERIFIED/ DK/L Stands for: a. oxygen permeability, b. thermal conduction, c. oxygen transmissibility, d. wettability - -C. Oxygen Transmissibility A prism ballast, trunctated lens is on a left eye. The cylinder axis is 90 degrees. Prism base is noted to rotate 15 ddegrees nasally. What cylinder axis shoud be ordered to compensate for the rotation? a. 95, b. 105, c. 110, d. 75, e. 80 - -B. 105 Small superficial linear stains are characteris...

NCLE 2024 Exam Questions with Correct Answers which of the following is not important to document in medical records for contact lens patients? - Answer-location at which the patient was originally taught insertion and removal which of the following will not increase the movement of a tight fitting rigid gas permeable lens? - Answer-enlarge the posterior optic zone After building up her wearing time, Jennifer returned for an afternoon recheck after eight hours of lens wear. The lenses ...

NCLE Prep Exam 3 of 4 Questions and Answers Already Graded A 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 B. 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 to maintain quality in the contact lens industry. It is important to have an understanding of the ANSI guidelines. All of the following will enable ...

Hygiene NCLEX Questions and Answers Rated A+ A nurse is scheduling hygiene for patients on her unit. What is the most important consideration when planning a patient's personal hygiene? A) When the patient had his or her most recent bath B) The patient's usual hygiene practices and preferences C) Where the bathing fits in the nurse's schedule D) The time that is convenient for the patient care assistant B A nurse caring for patients in a critical care unit knows that providing...