Bifocal lens Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Bifocal lens? On this page you'll find 521 study documents about Bifocal lens.
All 521 results
Sort by
-
NCLE Practice Test Practical Questions and Answers
- Exam (elaborations) • 11 pages • 2023
-
Available in package deal
-
- $8.00
- 1x sold
- + learn more
Steep Fluorescein Pattern - Bright green pooling center, very faint green pooling 
on diameter of lens 
Flat Fluorescein Pattern - Bright green pooling on diameter of lens, very faint 
green in center 
Against-the-rule Astigmatism Pattern - Bright green pooling horizontally, faint 
green pooling vertically 
With-the-rule Astigmatism Pattern - Bright green pooling vertically, faint green 
pooling horizontally 
Prism Ballast - Common technique to stabilize lens from rotating. Added thickness ...
-
Math for ABO test Latest Questions and Answers(American Board of Opticianry (ABO)
- Exam (elaborations) • 3 pages • 2024 Popular
-
Available in package deal
-
- $6.49
- 1x sold
- + learn more
Math for ABO test Latest Questions and Answers(American Board of Opticianry (ABO) 
A Box: 53 DBL: 15 ED: 55 PD: 30/32 
OD: 68/2 =34 OS: 68/2=34 
 
What is the MBS for the rt and left lens? {Answer: - OD: 68/2 =34 
OS: 68/2=34 
Decentration: Frame PD- PT PD 
OD: 34-30=4 decentered 
OS: 34-32= 2 decentered 
OD: MBS=ED+(2xDecenter)+2 
MBS=55+ 8 (2x4)+2=65mm 
OS: MBS=ED+(2x decenter)+2 
MBS=55+4 (2x2)+2=61mm 
OD-65mm blank 
OS: 61MM blank 
 
What is Prentice rule used for? {Answer: - To (Power x di...
-
NCLE Practice Test Practical Questions and Answers with Certified Solutions
- Exam (elaborations) • 23 pages • 2023
-
Available in package deal
-
- $9.99
- 1x sold
- + learn more
NCLE Practice Test Practical Questions and Answers with Certified Solutions Steep Fluorescein Pattern Bright green pooling center, very faint green pooling on diameter of lens 
Flat Fluorescein Pattern Bright green pooling on diameter of lens, very faint green in center 
Against-the-rule Astigmatism Pattern Bright green pooling horizontally, faint green pooling vertically 
With-the-rule Astigmatism Pattern Bright green pooling vertically, faint green pooling horizontally 
Prism Ballast Common te...
-
ABO-NCLE practical Exam questions with correct answers
- Exam (elaborations) • 9 pages • 2023
- Available in package deal
-
- $12.99
- 2x sold
- + learn more
Single Vision CORRECT ANSWER corrects for one distance 
 
Multifocal CORRECT ANSWER Corrects with two or more prescriptions (or 'powers') 
 
Bifocal CORRECT ANSWER lens having two focus strengths 
 
Trifocal CORRECT ANSWER pertaining to having three focus strengths 
 
Calculating Prismatic Effects CORRECT ANSWER obtained at the center of an optical lens by producing a difference in edge thickness, either by grinding the back surface at an angle to the front surface during lens surfacing or, if...
-
ABO practice exams
- Exam (elaborations) • 16 pages • 2023
-
Available in package deal
-
- $12.49
- 1x sold
- + learn more
If the wearer complains of the bifocal line being somewhat in his way when driving, the problem may be alleviated by decreasing the distance between pads. 
 
True or False - Answer- False 
 
If the wearer complains that the glasses feel snug but still slip down the nose, one likely cause is that: 
 
A. The frame is too small 
B. The bridge fit is tight 
C. Pressure is being applied by the temple shafts anterior to the ear. 
D. Pressure is being applied on the very tips of the temples. - Answer- ...
As you read this, a fellow student has made another $4.70
-
NCLE Practical Exam
- Exam (elaborations) • 22 pages • 2023
-
- $12.99
- 2x sold
- + learn more
NCLE Practical Exam 
 
Which Curve is the Flattest? 
 
A) 7.5 mm	 
 
 
B) 44.75 D	 
C) 7.6 mm	 
D) 45.50 D - 7.6 mm 
 
Inflammation of the Eyelids is Called: 
 
A) Palpebritis	 
B) Keratitis	 	 
C) Conjunctivitis	 
D) Blepharitis - Blepharitis 
 
The Base Curve of a Rigid Lens was Ordered at 7.75 mm but Received at 7.85 mm. The Lens is _______ than ordered. 
 
A)	0.50 D Flatter 
B)	0.50 D Steeper 
C)	1.00 Flatter 
D)	1.00 Steeper - 0.50 D Flatter 
 
The Fairness To Contact...
-
NCLE Practical Questions and Answers Verified A+
- Exam (elaborations) • 19 pages • 2023
-
- $12.49
- 1x sold
- + learn more
NCLE Practical Questions and Answers Verified A+ 
 
Steep Fluorescein Pattern - Bright green pooling center, very faint green pooling on diameter of 
lens	 
 
Flat Fluorescein Pattern - Bright green pooling on diameter of lens, very faint green in center 
 
Against-the-rule Astigmatism Pattern - Bright green pooling horizontally, faint green pooling 
vertically	 
 
With-the-rule Astigmatism Pattern - Bright green pooling vertically, faint green pooling 
horizontally	 
 
Pri...
-
ABO Practical(ABO Practical broken down based on the ABO-NCLE practical Exam Candidate HandbookPractical Test Specifications sheet)
- Exam (elaborations) • 7 pages • 2022
-
- $12.99
- 2x sold
- + learn more
ABO Practical(ABO Practical broken down based on the ABO-NCLE practical Exam Candidate HandbookPractical Test Specifications sheet) 
Single Vision 
corrects for one distance 
 
 
Multifocal 
Corrects with two or more prescriptions (or 'powers') 
 
 
 
 
 
 
00:05 
01:09 
Bifocal 
lens having two focus strengths 
 
 
Trifocal 
pertaining to having three focus strengths 
 
 
Calculating Prismatic Effects 
obtained at the center of an optical lens by producing a difference in edge thickness, eith...
-
NCLE Practice Test Practical, Questions with accurate answers. 2022/2023.
- Exam (elaborations) • 14 pages • 2022
-
- $8.49
- 1x sold
- + learn more
NCLE Practice Test Practical, Questions with accurate answers. 2022/2023. 
 
 
Steep Fluorescein Pattern - Bright green pooling center, very faint green pooling on diameter of lens 
 
Flat Fluorescein Pattern - Bright green pooling on diameter of lens, very faint green in center 
 
Against-the-rule Astigmatism Pattern - Bright green pooling horizontally, faint green pooling vertically 
 
With-the-rule Astigmatism Pattern - Bright green pooling vertically, faint green pooling horizontally 
 
Pris...
-
OCANZ Quiz 2023 with verified questions and answers
- Exam (elaborations) • 16 pages • 2023
-
- $13.99
- 2x sold
- + learn more
How many Australians have diabetes? 
1.7 million 
 
 
 
What % of diabetes is type 2? 90% 
90% 
 
 
 
What is type 1 diabetes? 
Immune mediated destruction of B cells 
 
 
 
What is type 2 diabetes? B cell dysfunction and insulin resistance 
B cell dysfunction and insulin resistance 
 
 
 
Who is at risk of type 2 diabetes? 
>40, waistline >80cmF/>94cmM, south Asian or African descent, polycystic ovaries, gestational diabetes, mental illness medication 
 
 
 
How is type 2 diabetes diag...
How did he do that? By selling his study resources on Stuvia. Try it yourself! Discover all about earning on Stuvia