Bcva Examiner Training And Certification Quizz!
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Are you prepared for your Bcva Examiner Training and Certification? This quiz may be of assistance. This quiz involves knowing the purpose of conducting trial-frame refraction and the visual acuity score. Also, what type of lens is added to accommodate testing at one meter, the Snellen Equivalent, and the best method of occluding the eye that is not tested on employees. This quiz will help you see how much you can learn.
- 1.
What is the purpose of conducting trial-frame refraction?
- A.
To compare the results with results of a phoropter
- B.
To achieve the best vision correction in preparation for VA testing
- C.
To test the knowledge of the VA Examiner
- D.
None of the above
Correct Answer
B. To achieve the best vision correction in preparation for VA testingExplanation
The purpose of conducting trial-frame refraction is to achieve the best vision correction in preparation for VA testing. This involves determining the appropriate prescription for the patient by using different lenses and adjustments. By conducting trial-frame refraction, the examiner can fine-tune the prescription and ensure that the patient's vision is optimized before proceeding with visual acuity testing.Rate this question:
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- 2.
What is the minimum number of letters that must be correctly answered by a subject on any line of the VA chart in order to continue testing on the next Row?
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
D. 4Explanation
In order to continue testing on the next row of the VA chart, the subject must correctly answer a minimum of 4 letters on any line. This means that they need to accurately identify at least 4 letters in order for the testing to progress to the next row.Rate this question:
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- 3.
If the subject reads 3 or fewer letters on line 1 at 4 Meters,
- A.
The VAE should test the subject for count fingers
- B.
The VAE should stop the test at 4M and move the subject to 1M
- C.
The VAE should attempt to test the patient on line 2 at 4M
- D.
The VAE should stop testing and write N/A for 1M testing
Correct Answer
B. The VAE should stop the test at 4M and move the subject to 1MExplanation
The correct answer suggests that if the subject reads 3 or fewer letters on line 1 at 4 meters, the VAE should stop the test at 4M and move the subject to 1M. This implies that the subject's visual acuity is too low to continue testing at 4 meters, so they need to be moved closer to the chart in order to accurately assess their vision.Rate this question:
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- 4.
Low Vision section should be crossed out (draw diagonal line through), initial and date under which of the following conditions:
- A.
The subject has received a Visual Acuity Score greater than ‘0’
- B.
The subject has been able to read letters at the 4M and/or the 1M distance
- C.
If the subject has a Snellen Equivalent score of 20/200
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The correct answer is "All of the above" because crossing out the Low Vision section and initialing and dating it is required under all three conditions mentioned in the options. If the subject has received a Visual Acuity Score greater than '0', it means their vision is not considered low and the section should be crossed out. Similarly, if the subject has been able to read letters at the 4M and/or 1M distance, their vision is not low and the section should be crossed out. Lastly, if the subject has a Snellen Equivalent score of 20/200, it indicates low vision and the section should be crossed out. Therefore, all three conditions require crossing out the Low Vision section.Rate this question:
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- 5.
Low Vision section should only be completed if which of the following conditions are met:
- A.
The subject has received a Visual Acuity Score of ‘0’
- B.
The subject has not been able to read any letters at 4M and at 1M
- C.
The subject has a Snellen Equivalent of 20/NA
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The Low Vision section should only be completed if all of the following conditions are met: the subject has received a Visual Acuity Score of ‘0’, the subject has not been able to read any letters at 4M and at 1M, and the subject has a Snellen Equivalent of 20/NA.Rate this question:
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- 6.
What type of lens is added to accommodate testing at 1 meter?
- A.
+/- 0.25 sphere
- B.
-0.37 lens
- C.
+0.75 sphere
- D.
Jackson Cross cylinder lens
Correct Answer
C. +0.75 sphereExplanation
A +0.75 sphere lens is added to accommodate testing at 1 meter. This type of lens is used to correct for hyperopia or farsightedness. By adding this lens, it helps to focus the light properly on the retina for clear vision at the specific distance of 1 meter.Rate this question:
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- 7.
Which of the following statements is incorrect:
- A.
If the subject reads 3 or fewer letters on Line 1 at 4M, move the subject to 1M for both refraction and testing
- B.
The Genentech VA stopping rule is once 3 or fewer letters are read correctly on any row, STOP testing on that row.
- C.
The Snellen Equivalent is the most difficult line read with a score of 4 or 5
- D.
The Genentech VA stopping rule is to continue testing the subject until he/she gets a score of ‘0’
Correct Answer
D. The Genentech VA stopping rule is to continue testing the subject until he/she gets a score of ‘0’Explanation
The given answer is correct because it states that the Genentech VA stopping rule is to continue testing the subject until he/she gets a score of '0'. However, this statement is incorrect because the Genentech VA stopping rule is actually to stop testing on a row once 3 or fewer letters are read correctly on that row.Rate this question:
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- 8.
The best method of occluding the eye that is not being tested employs the use of the following:
- A.
Occluding lens
- B.
Tissue
- C.
Tissue and tape
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The best method of occluding the eye that is not being tested is to use all of the above options, which include an occluding lens, tissue, and tissue with tape. Using an occluding lens ensures that no light enters the eye, while using tissue or tissue with tape provides a physical barrier to block the vision. Using all of these options together ensures maximum occlusion and prevents any interference during the eye test.Rate this question:
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- 9.
Sections of the Worksheet that are not completed (i.e. Low Vision sections) must be:
- A.
Lined through and initialed/dated.
- B.
Left Blank
- C.
Zeros entered on each line
- D.
None of the above
Correct Answer
A. Lined through and initialed/dated.Explanation
The correct answer is "Lined through and initialed/dated." This means that any sections of the worksheet that are not completed, specifically the Low Vision sections, should be marked by drawing a line through them and then initialing and dating the mark. This indicates that the sections were intentionally left blank and not overlooked or forgotten.Rate this question:
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- 10.
Which of the following statements is incorrect?
- A.
Low Vision Testing should be conducted on all subjects who have a Snellen Equivalent of 20/500 or worse
- B.
Testing should be stopped once the subject reads 3 or fewer letters and a vertical line needs to be drawn through the remaining spaces not tested
- C.
The subject is only tested at 1M if 3 or fewer letters are read at the 4M distance
- D.
If the subject reads 4 to 5 letters at 4M, continue testing until the subject can only read 3 or less letters on any line
Correct Answer
A. Low Vision Testing should be conducted on all subjects who have a Snellen Equivalent of 20/500 or worseExplanation
The statement "Low Vision Testing should be conducted on all subjects who have a Snellen Equivalent of 20/500 or worse" is incorrect because low vision testing should be conducted on all subjects who have a Snellen Equivalent of 20/70 or worse, not 20/500 or worse.Rate this question:
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- 11.
Conducting the BCVA examination accurately and consistently, according to the Genentech VA Specifications is important because it is related to the primary and secondary efficacy outcome measures of the study and errors could compromise study results. Additionally, the patient will benefit from expertly and consistently administered exams
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Conducting the BCVA examination accurately and consistently according to the Genentech VA Specifications is important because it directly affects the primary and secondary efficacy outcome measures of the study. Errors in conducting the examination could compromise the reliability and validity of the study results. Additionally, ensuring that the examination is expertly and consistently administered benefits the patients by providing them with reliable and accurate assessments of their visual acuity.Rate this question:
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- 12.
New bulbs and replacement bulbs need to be burned-in for 96 hours prior to conducting BCVA testing.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Burning in bulbs refers to the process of running them continuously for a certain period of time before conducting any tests or measurements. This is done to stabilize the bulbs and ensure accurate and consistent results. In the case of BCVA testing, which measures visual acuity, it is important to burn in both new bulbs and replacement bulbs for 96 hours to ensure that they are functioning properly and to eliminate any potential variations or inaccuracies in the test results. Therefore, the statement is true.Rate this question:
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- 13.
It is unnecessary to verify mathematical calculations on the Visual Acuity worksheets, as the calculations are checked by the Study Coordinator using a calculator.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Mathematical calculations on the Visual Acuity worksheets do not need to be verified because they are already checked by the Study Coordinator using a calculator.Rate this question:
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- 14.
Testing always begins with the Left Eye and is completed before proceeding to Right Eye
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is not universally true. While it is common practice to begin testing with the left eye, it is not a strict rule that testing must always start with the left eye. The order in which the eyes are tested can vary depending on the specific testing protocol or the preference of the examiner. Therefore, the statement is false.Rate this question:
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- 15.
Chipped or loose lenses and warped and wrinkled charts should be reported to the Study Coordinator for replacement.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Chipped or loose lenses and warped and wrinkled charts should be reported to the Study Coordinator for replacement. This statement is true because if the lenses of a device used in a study are chipped or loose, it can affect the accuracy of the measurements taken. Similarly, if the charts used in the study are warped or wrinkled, it can lead to inaccurate readings. Therefore, it is important to report these issues to the Study Coordinator so that they can be replaced and ensure the validity of the study results.Rate this question:
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- 16.
One must obtain a reading of >15 foot candles for adequate illumination for best-corrected visual acuity testing.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is false because for best-corrected visual acuity testing, one must obtain a reading of 15 foot candles.Rate this question:
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- 17.
Individuals responsible for fulfilling the role of Visual Acuity Examiner for this study may not be involved in other study assessments.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The individuals responsible for fulfilling the role of Visual Acuity Examiner for this study may not be involved in other study assessments. This means that they should only focus on assessing visual acuity and not be involved in any other assessments or tasks related to the study. By doing so, it ensures that the visual acuity assessments are conducted by individuals who are solely dedicated to this specific role, which can help maintain the accuracy and integrity of the study results.Rate this question:
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- 18.
Letters answered incorrectly by the subject are lined-through on the BCVA worksheet.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The given statement is false. According to the statement, the letters answered incorrectly by the subject are lined-through on the BCVA worksheet. However, the correct answer is false, which means that the statement is not true. Therefore, it can be concluded that the letters answered incorrectly by the subject are not lined-through on the BCVA worksheet.Rate this question:
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- 19.
If four or more letters are read on any one line, the subject is required to attempt the letters on the next line, even if he or she feels they are guessing.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
This statement suggests that if a subject reads four or more letters on any one line, they are required to attempt the letters on the next line, even if they are unsure and feel like they are guessing. This implies that there is a rule or requirement in place that obligates the subject to continue attempting the letters on the next line, regardless of their confidence level. Therefore, the correct answer is True.Rate this question:
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- 20.
A BCVA examination may be conducted on a study subject in a room with an expired certification, as long as the VA Examiner has a valid certification from the sponsor.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
A BCVA examination cannot be conducted on a study subject in a room with an expired certification, even if the VA Examiner has a valid certification from the sponsor. Both the room and the examiner's certification need to be valid for the examination to be conducted.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
ProProfs Editorial Team -
Jul 05, 2011Quiz Created by
Lisalas
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