Form 2A, Page 1
FLORIDA STATE COLLEGE AT JACKSONVILLE
COLLEGE CREDIT COURSE OUTLINE
COURSE NUMBER: OPT 1150
COURSE TITLE: Ophthalmic Lenses
PREREQUISITE(S): OPT 1330 and OPT 2090
COREQUISITE(S): None
CREDIT HOURS: 2
CONTACT HOURS/WEEK:
CONTACT HOUR BREAKDOWN:
Lecture/Discussion: 1
Laboratory: 2
Other:
FACULTY WORKLOAD POINTS: 2.4
STANDARDIZED CLASS SIZE
ALLOCATION: 30
CATALOG COURSE DESCRIPTION:
This course examines the lenses used in correction of refractive errors. Materials and design of lenses and frames, and frame selection and fitting are discussed. Multifocal additions for reading correction are discussed. Prismatic correction and devices for patients with low vision are presented.
SUGGESTED TEXT(S): The Ophthalmic Assistant: A Guide for Ophthalmic Medical Personnel by Harold A. Stein, Bernard J. Slatt, Raymond M. Stein, Mosby
IMPLEMENTATION DATE: Fall Term 2013 (20141)
REVIEW OR MODIFICATION DATE: Fall Term, 2013 (20141) – Proposal 2013-08
Form 2A, Page2
COURSE TOPICS CONTACT HOURS
PER TOPIC____
I. Lens Forms and Types 1
II. Verification of Lenses 2
III. Interpupillary Distance 1
IV. Frame Selection 1.5
V. Multifocal Segments 1
VI. Multifocal Placement 1
VII. Absorptive Lenses and Surface Treatments 1
VIII. Safety Standards 1
IX. Astigmatism – on Axis 1.5
X. Astigmatism – Dioptric Power of Off-Axis Meridians 1
XI. Prism 1
XII. Magnification 1
XIII. Low Vision Devices 1
XIV. Lab experience 15
30
Form 2A, Page 3
PROGRAM TITLE: Ophthalmic Technician
COURSE TITLE: Ophthalmic Lenses
CIP NUMBER: 1351180301
Florida Department of Education
Student Performance Standards
11.0 APPLY BASIC MATH AND SCIENCE SKILLS–The student will be able to:
11.01 Draw, read, and report on graphs, charts and tables.
11.02 Measure time, temperature, distance, capacity, and mass/weight.
11.03 Make, use and convert using both traditional and metric units.
11.04 Make estimations and approximations and judge the reasonableness of the result.
11.05 Convert from regular to 24 hour time.
11.06 Demonstrate ability to evaluate and draw conclusions.
11.07 Organize and communicate the results obtained by observation and experimentation.
11.08 Ask appropriate scientific questions and recognize what is involved in experimental approaches to the solution of such questions.
11.09 Calculate ratios.
17.0 DEMONSTRATE THE INSTRUCTION OF THE PATIENT IN PERSONAL EYE CARE AND IN THE USE OF CONTACT LENSES–The student will be able to:
17.01 Instruct the patient in the correct methods of insertion and removal of the contact lenses.
17.02 Instruct the patient in the appropriate methods of daily care of the eye and the contact lenses.
18.0 DEMONSTRATE THE CARING FOR AND MAINTAINING OF OPHTHALMIC INSTRUMENTS–The student will be able to:
18.01 Describe the fundamental principles of the maintenance, inventory control, and ordering of ophthalmic instruments.
18.02 Maintain a clinic inventory of the instruments.
18.03 Describe the appropriate safety/security procedures for the instruments.
23.0 DEMONSTRATE THE FITTING OF CONTACT LENSES–The student will be able to:
23.01 Describe the principles and utilization of hard, soft and gas permeable lenses.
23.02 Perform the fitting and evaluation of contact lenses.
23.03 Provide patient education relative to wearing and maintaining contact lenses.
24.0 DEMONSTRATE THE ADJUSTING AND MAKING OF MINOR REPAIRS ON SPECTACLES–The student will be able to:
24.01 Describe the principles of ophthalmic patient services.
24.02 Make simple and minor repairs to spectacles such temple adjustments and adjustment of the nose piece.
24.03 Adjust the spectacles to patient comfort.
Form 2A, Page 4
Student Performance Standards
CoA-omp Accreditation Standards
Lens Forms and Types
Course Outcome:
1.0 The student will gain a working knowledge of the different forms a spectacle lens may have. Application of these forms in the correction of vision will be emphasized.
Specific Learning Objectives:
Upon completion of this unit, the student will be able to:
1.1 Identify different lens shapes
1.2 Identify the base curve and back surfaces of the lens
1.3 Calculate the refractive power for thin lenses
1.4 Apply the thick lens formula
1.5 Discuss the properties of thin lenses of different refractive media
1.6 Lab objectives
1.6.1 Identify different lens shapes
1.6.2 Identify the base curve and back surface
1.6.3 Note image and image formation of convex and concave lenses
1.6.4 Note image movement with convex and concave lenses
Verification of Lenses
Course Outcome:
2.0 The student will be able to discuss methods of neutralizing lens power using a lensometer, and to describe the optical center of a spectacle lens.
Specific Learning Objectives:
Upon completion of this unit, the student will be able to:
2.1 Describe lens neutralization using a lensometer
2.1 List the steps of lens neutralization using a lensometer
2.2 Explain the importance of the optical center of the lens
2.3 Describe the optical center of a lens
2.4 Discuss amount and base direction of ground in prism
2.4 Describe alternative methods for lens neutralization
2.6 Lab objectives
2.6.1 Locate the optical center of the lens using the lensometer
2.6.2 Neutralize spherical lens power using the lensometer
2.6.3 Neutralize spherocylinder lens power using the lensometer
2.6.4 Calculate spherical lens power using a lens clock
2.6.5 Calculate spherocylinder lens power using a lens clock
Interpupillary Distance
Course Outcome:
3.0 The student will be able to discuss and demonstrate the various methods of measuring the distance between the pupils at distance and at near
Specific Learning Objectives:
Form 2A, Page 5
Student Performance Standards
CoA-omp Accreditation Standards (Continued)
Upon completion of this unit, the student will be able to:
3.1 Discuss the importance of obtaining an accurate interpupillary distance
3.2 Define the terms relating to the measurement of a patient’s interpupillary distance
3.3 Discuss the various techniques employed in determining the interpupillary distance
3.4 Describe common difficulties and errors in measuring the interpupillary distance
3.5 Explain the methods of taking a monocular pupillary distance and its application
3.6 Lab objectives
3.6.1 Measure binocular interpupillary distance with penlight and millimeter ruler
3.6.2 Measure binocular interpupillary distance with target and millimeter rules
3.6.3 Demonstrate interpupillary measurement with a pupil gauge
3.6.4 Demonstrate monocular interpupillary distance measurement
Frame Requirements for Prescription Lenses
Course Outcome:
4.0 The student shall be able discuss the components of spectacle frames and to assist the patient in selection. Topics of facial shape, prescription requirements and frame materials will be emphasized.
Specific Learning Objectives:
Upon completion of this unit, the student will be able to:
4.1 Describe the parts of the frame
4.2 Describe types of bridge style
4.3 Describe temple treatments
4.4 Discuss proper bridge, temple and eyewire size
4.5 Describe classes of materials used in frame manufacture
4.6 Discuss the seven basic facial shapes
4.7 Explain the special frame requirements of high or prism prescriptions
4.8 Determine the effective power of a prescription at different placement from the corneal plane
4.9 Lab objectives
4.9.1 measure the eyewire, bridge and temple size of a spectacle frame
4.9.2 Select frames of different materials
4.9.3 Select frame styles for different facial shapes
4.9.4 Select frame styles to accommodate specific lens prescriptions
4.9.5 Measure the vertex distance between the back curve and the corneal plane
4.9.6 Calculate the effective power of the lens determined by the vertex distance
Multifocal Segments
Course Outcome:
5.0 The student will be able to recognize and discuss the various forms of multifocal segment
Specific Learning Objectives:
Upon completion of this unit, the student will be able to:
5.1 Describe the various forms of two piece bifocal
5.2 Describe the forms of a one-piece bifocal
5.3 Describe traditional trifocal segments
Form 2A, Page 6
Student Performance Standards
CoA-omp Accreditation Standards (Continued)
5.4 Discuss the optical power of a progressive lens
5.5 List the criteria for an adequate progressive lens candidate
5.6 List the criteria for an adequate frame for progressive lens placement
5.7 Discuss the use of asymmetric multifocal lens power
5.8 Describe occupational segments
5.9 Discuss the criteria for occupational segment selection
5.10 Lab objectives
5.10.1 Select one piece bifocal lenses
5.10.2 Select fused bifocal lenses
5.10.3 Locate the multifocal power marker on the lens
Multifocal Placement
Course Outcome:
6.0 The student will be able to discuss positioning of different multifocal segment types.
Specific Learning Objectives:
Upon completion of this unit, the student will be able to:
6.1 Discuss the proper placement of a bifocal segment
6.2 Discuss the proper placement of a trifocal segment
6.3 Describe and demonstrate measurement for bifocal or trifocal segment
6.4 Explain the positioning of a progress addition lens
6.5 Discuss bifocal placement on children
6.6 Describe methods used to measure occupational multifocal lenses
6.7 Discuss the use of asymmetric segment heights
6.8 Describe methods of patient education for first-time multifocal wearers
6.9 Lab objectives
6.9.1 Measure segment height for traditional lined bifocal placement
6.9.2 Demonstrate bifocal placement of traditional lined bifocal and trifocal lenses
6.9.3 Locate placement and power markers of progressive lenses
6.9.4 Demonstrate bifocal placement on children with accommodative esotropia
6.9.5 Provide patient education for first time multifocal lens wearers
Absorptive Lenses and Surface Treatments
Course Outcome:
7.0 The student will be able to determine which type of spectacle lens will be best suited for a particular patient’s needs. Optical, vocational and cosmetic considerations will be emphasized.
Specific Learning Objectives:
Upon completion of this unit, the student will be able to:
7.1 Explain how absorptive lenses perform
7.2 Describe the effects of ultraviolet light on ocular tissue
7.3 Describe the effects of infrared light on ocular tissue
7.4 Compare and contrast the absorptive properties of crown glass and conventional plastic
7.5 Discuss the advantages and disadvantages of different lens tints
7.6 Discuss vocational and recreational lens tints
Form 2A, Page 7
Student Performance Standards
CoA-omp Accreditation Standards (Continued)
7.7 Explain the function of anti-reflective coating
7.8 Explain edge treatment in high minus lenses
7.9 Define photochromatic lenses
7.10 Discuss the process of polarization
7.11 Describe the uses of polarized lenses
Safety Standards
Course Outcome:
8.0 The student will become familiar with the American National Standards Institute (ANSI) and the Federal Drug Administration (FDA) rules and standards regarding the manufacture and dispensing of spectacle frames and lenses.
Specific Learning Objectives:
Upon completion of this unit, the student will be able to:
8.1 Differentiate between and standard and a law
8.2 List the ANSI standards for dress and safety eyewear
8.3 Discuss the FDA policy on safety and glasses
8.4 Describe recommendations for children’s eyewear and lenses
Astigmatism – on Axis
Course Outcome:
9.0 The student will be able to discuss how a cylindrical or spherocylindrical lens corrects astigmatism
Specific Learning Objectives:
Upon completion of this unit, the student will be able to:
9.1 Define the terms associated with a cylindrical lens
9.2 List the forms of a cylindrical lens
9.3 Describe standard axis notation
9.4 Discuss the conoid of Sturm
9.5 Discuss the circle of least confusion
9.6 Describe the spherical equivalent of a spherocylindrical lens
9.6 Explain and demonstrate transposition between plus and minus forms of notations
9.7 Lab objectives
9.7.1 Calculate the spherical equivalent of a lens
9.7.2 Transpose spherocylinder lenses between plus- and minus cylinder notation
Astigmatism – Dioptric Power of Off-Axis Meridians
Course Outcome:
10.0 The student will be able to calculate the power of a spherocylinder lens at any axis
Specific Learning Objectives:
Upon completion of this unit, the student will be able to:
10.1 Explain curvature and torsion
10.2 Discuss the dioptric power components of a spherocylindrical lens
Form 2A, Page 8
Student Performance Standards
CoA-omp Accreditation Standards (Continued)
10.3 Explain the visual difficulties caused by an off-axis spherocylindrical lens
10.4 Lab objectives
10.4.1 Determine the axis location of a spherocylinder lens
10.4.2 Calculate the effective power of the off-axis spherocylinder lens Prism
Course Outcome:
11.0 The student will be able to discuss the use of prism in spectacles
Specific Learning Objectives:
Upon completion of this unit, the student will be able to:
11.1 Describe the refractive properties of a prism
11.2 Discuss the use of prism in adult diplopia
11.3 Differentiate between ground and decentered effective prism
11.4 Calculate the amount of effective prism using Prentice’s rule
11.5 Discuss frame selection in prescriptions requiring prism
11.6 Describe diplopia associated with anisometropic correction
11.7 Discuss slab-off prism for reading
11.8 Lab objectives
11.8.1 Locate ground in prism on the lensometer
11.8.2 Determine amount and base direction of effective prism due to decentration
11.8.3 Select frames appropriate for individual lens and prism combinations
11.8.4 Calculate the effective power of an anisometropic prescription
11.8.5 Determine which lens should have a slab-off prism
Magnification
Course Outcome:
12.0 The student will be able to discuss angular and spectacle magnification can be used to improve a patient’s useable vision. Formulation for magnification power will be emphasized
Specific Learning Objectives:
Upon completion of this unit, the student will be able to:
12.1 Explain relative size magnification
12.2 Discuss angular magnification
12.3 Relate relative distance magnification to spectacle magnification
12.4 Explain why a plus lens can be used as a simple magnifier
12.5 Calculate the power of a simple magnifier
12.6 Describe the optics of a telescope and microscope
12.7 Discuss magnification terminology
12.8 Describe telescope concepts and spectacle magnification
12.9 Relate shape and power factors
12.10 Describe relative spectacle magnification
12.11 Lab objectives
12.11.1 Demonstrate image magnification of a convex lens
12.11.2 Demonstrate image direction at different distances of a convex lens
Form 2A, Page 5
Student Performance Standards
CoA-omp Accreditation Standards (Continued)
Low Vision Devices
Course Outcome:
13.0 The student will be able to describe low vision, and discuss optical devices used for patients with low vision, as well as non-optical assistance for this class of patients
Specific Learning Objectives:
Upon completion of this unit, the student will be able to:
13.1 Define low vision
13.2 Describe the exonomical and psychological impact of low vision