Ncle test stuvia - Study guides, Class notes & Summaries

What are the disadvantages of Soft Lenses? - ANSWER-Doesn't correct irregular astigmatism, favors deposit formation Which test measures the quantity of tears? - ANSWER-The Schirmer test. What are good results for the Schirmer test? - ANSWER-15 mm in 5 minutes. What are dry eye results for the Schirmer test? - ANSWER-5-10 mm in 5 minutes. Neovascularization is mainly due to what? - ANSWER-Hypoxia, corneal edema, tight contact lens fit The Radii and Power of an average cornea - ANS...

NCLE Test Questions and Answers 100% Correct NCLE Test Questions and Answers 100% Correct NCLE Test Questions and Answers 100% Correct Assessment of the quality of the peripheral curves (blends of a rigid contact lens) is achieved by the use of the- a. profile analyzer b. shadow graph c. keratometer d. burton light - ANSWER-a. profile analyzer Contact lens power should be specified in- a. back vertex power b. sphero-cylinder power c. power in situ d. posterier apical radius - A...

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 +1.00 x75 When a keratometer is being calibrated, which of ...

NCLE Practice Test Practical Questions and Answers (Graded A) NCLE Practice Test Practical Questions and Answers (Graded A) NCLE Practice Test Practical Questions and Answers (Graded A) NCLE Practice Test Practical Questions and Answers (Graded A) 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 Astigma...

Test that measures the quality of tears - ANSWER-B.U.T. Test (Break up time) What is the O2 Permeability - ANSWER-DK values of a lens What are the disadvantages of Soft Lenses? - ANSWER-Doesn't correct irregular astigmatism, favors deposit formation Which test measures the quantity of tears? - ANSWER-The Schirmer test. What are good results for the Schirmer test? - ANSWER-15 mm in 5 minutes. What are dry eye results for the Schirmer test? - ANSWER-5-10 mm in 5 minutes. Neovasc...

NCLE Test Review Questions and Answers 100% Correct NCLE Test Review Questions and Answers 100% Correct NCLE Test Review Questions and Answers 100% Correct Test that measures the quality of tears - ANSWER-B.U.T. Test (Break up time) What is the O2 Permeability - ANSWER-DK values of a lens What are the disadvantages of Soft Lenses? - ANSWER-Doesn't correct irregular astigmatism, favors deposit formation

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, faint green pooling vertically With-the-rule Astigmatism Pattern - ANSWER-Bright green pooling vertically, faint green pooling horizontally Prism Ballast - ANSWER-Common technique to stabilize le...

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 +1.00 x75 When a keratometer is being calibrated, which of the following targets will provide the most reliable result? a)the single-cut anterior surface of a high-plus lens b)a perfectly flat highly polished mirror c) a set of steell balls of known radii d)the unfinished posterior surface of a low-minus lens - A...

Contact lens power should be specified in- a. back vertex power b. sphero-cylinder power c. power in situ d. posterier apical radius - ANSWER-a. back vertex power The slit-lamp illumination that gives an overall view of the cornea but limits detail is- a. sclerotic scatter b. diffuse c. specular reflection d. oscilatory - ANSWER-b. diffuse When a keratometric miers reflected off a soft contact lens are only clear when the wearer blinks, the lens fit is too- a. small b. large c. ...

NCLE Practice Test 2024 Questions and Answer 100% Correct NCLE Practice Test 2024 Questions and Answer 100% Correct NCLE Practice Test 2024 Questions and Answer 100% Correct NCLE Practice Test 2024 Questions and Answer 100% Correct Hydrogen peroxide care systems: A. Should not be used to disinfect FDA group IV lenses. B. Is more effective against viruses and fungi than most chemical disinfection systems. C. Does not require a red tip on its container, since it does not cause permane...