Standard

Posted: 03/18/08

R State Standard         £ Institutionally Developed          College: N/A

OPD 117 – Contact Lens Review

Course Description

This course continues students’ study of contact lens dispensing knowledge skills. Emphasis is placed on reviewing types of contact lenses, fitting techniques, and further development of associated skills. Topics include: soft contact lens fitting; hard contact lens fitting; contact lens instrumentation; effective consumer service; and contact lens regulations.

Competency Areas

Hours

Soft Contact Lens Fitting

Class

1

Hard Contact Lens Fitting

D. Lab

2

Contact Lens Instrumentation

P. Lab/O.B.I.

3

Effective Consumer Service

Credit

3

Contact Lens Regulations

 

 

 

Prerequisite:

OPD 113

Corequisite:

 

 

Course Guide

 

Competency

After completing this section, the student will be able to:

Hours

Class

D.Lab

P.Lab/

O.B.I.

Soft Contact Lens Fitting

2

4

6

Patient/customer history

Obtain a general history from the soft contact lens customer.

 

 

 

Technical data

Gather technical data on soft contact lenses and customer's ocular status.

 

 

 

 

Interpret refractive error of a soft contact lens customer.

 

 

 

 

Interpret and record keratometry readings.

 

 

 

Lens wear options

Discuss soft contact lens wear options with customer.

 

 

 

Determine lens type and style

Select soft contact lens material and design.

 

 

 

 

Conduct a diagnostic soft contact lens evaluation.

 

 

 

 

Determine soft contact lens parameters.

 

 

 

 

Order soft contact lens.

 

 

 

Customer instruction

Verify soft contact lens parameters.

 

 

 

 

Evaluate initial fit of soft contact lenses.

 

 

 

 

Instruct customer in proper wear of soft contact lenses.

 

 

 

 

Schedule follow-up evaluation of soft contact lenses.

 

 

 

Follow-up visit

Determine customer's level of satisfaction and adjustment to soft contact lenses.

 

 

 

 

Observe fit of customer's soft contact lenses.

 

 

 

 

Evaluate need for change in soft contact lens material or design.

 

 

 

 

Make modifications/alterations to original soft contact lens order. Order modified/altered soft contact lenses.

 

 

 

 

Reinforce care and storage procedures for soft contact lenses

 

 

 

 

Refer customer to prescriber.

 

 

 

Lens fitting administration

Update soft contact lens customer records.

 

 

 

 

Maintain a soft contact lens recall system.

 

 

 

 

Inform soft contact lens customer of notification system.

 

 

 

Hard Contact Lens Fitting

2

4

6

Patient/customer history

Obtain a general history from the hard contact lens customer.

 

 

 

Technical data

Gather technical data on hard contact lenses and customer's ocular status.

 

 

 

 

Interpret refractive error of a hard contact lens customer.

 

 

 

 

Interpret and record keratometry readings.

 

 

 

Lens wear options

Discuss hard contact lens wear options with customer.

 

 

 

Determine lens type and style

Select hard contact lens material and design.

 

 

 

 

Conduct a diagnostic hard contact lens evaluation.

 

 

 

 

Determine hard contact lens parameters.

 

 

 

 

Order hard contact lenses.

 

 

 

Customer instruction

Verify hard contact lens parameters.

 

 

 

 

Evaluate initial fit of hard contact lenses.

 

 

 

 

Instruct customer in proper wear of hard contact lenses.

 

 

 

 

Schedule follow-up evaluation of hard contact lenses.

 

 

 

Follow-up visit

Determine customer's level of satisfaction and adjustment to hard contact lenses.

 

 

 

 

Observe fit of customer's hard contact lenses.

 

 

 

 

Make modifications/alterations to original hard contact lens order.

 

 

 

 

Order modified/altered hard contact lenses.

 

 

 

 

Reinforce care and storage procedures for hard contact lenses

 

 

 

 

Refer customer to prescriber.

 

 

 

Lens fitting administration

Update hard contact lens customer's records.

 

 

 

 

Maintain a hard contact lens recall system.

 

 

 

 

Inform hard contact lens customer of notification system.

 

 

 

 

Control hard contact lens inventory.

 

 

 

Contact Lens Instrumentation

2

4

6

Slit lamp

Focus and select suitable illumination of the slit lamp.

 

 

 

 

Use slit lamp to evaluate cornea, conjunctiva, tear film, and eyelid.

 

 

 

Keratometer

Calibrate a keratometer.

 

 

 

 

Use a range extension for the keratometer.

 

 

 

 

Focus the keratometer and locate cylinder axis.

 

 

 

 

Measure horizontal and vertical meridian using a keratometer

 

 

 

 

Determine degree and type of astigmatism using a keratometer.

 

 

 

Radioscope

Use a radioscope to detect presence of contact lens warpage.

 

 

 

 

Verify base curve of a contact lens using a radioscope.

 

 

 

Lensometer

Use a lensometer to verify contact lens power, cylinder power, and axis and prism.

 

 

 

Special application instruments

Verify the accuracy of the thickness gauge and use it to measure a contact lens.

 

 

 

 

Verify the accuracy of the diameter gauge and use it to measure a contact lens.

 

 

 

 

Verify the accuracy of the hand loop with mm grid and use it to measure a contact lens.

 

 

 

 

Verify the accuracy of the shadow graph and use it to measure a contact lens.

 

 

 

 

Verify the accuracy of the photoelectric keratoscope and use it to measure a contact lens.

 

 

 

Instrumentation techniques

Use the overhead light refraction technique.

 

 

 

 

Use the dioptric and vertex conversion charts.

 

 

 

 

Use fluorescein evaluation techniques.

 

 

 

Special tests

Perform Schirmer's tests #1 and #2.

 

 

 

 

Perform the rose bengal evaluation.

 

 

 

 

Perform the tear break-up test.

 

 

 

Effective Consumer Service

2

4

6

Lens selection

Assess customer's need for particular lens material and design.

 

 

 

Lens certification

Verify parameters of lenses in accordance with Z80 ANSI standards.

 

 

 

Wear instruction

Educate contact lens customer on all aspects of wear including cleaning and storage procedures.

 

 

 

Evaluation

Use appropriate diagnostic and instrumentation procedures to evaluate initial fit of contact lens.

 

 

 

Follow-up

Schedule subsequent appointments for determining customer's safe and satisfactory wear of contact lenses.

 

 

 

 

Perform follow-up interview to determine customer's safe and satisfactory wear of contact lenses.

 

 

 

 

Observe lens fit during follow-up visit using instruments, diagnostic tools, and empirical methods.

 

 

 

 

Determine the need to modify or alter customer's contact lenses.

 

 

 

 

Order modified or altered contact lenses as determined during follow-up visit of customer.

 

 

 

Care and handling

Reinforce the proper care and handling of contact lenses during customer's follow-up visits.

 

 

 

Contact Lens Regulations

2

4

6

National contact lens examiners

Explain the purpose and function of the National Contact Lens Examiners organization.

 

 

 

Examination

Describe the registration procedure for The Contact Lens Registry Examination.

 

 

 

Reference material

Discuss available reference materials for The Contact Lens Registry Examination.

 

 

 

State Board

Explain the purpose and function of The Georgia State Board of Dispensing Opticians.

 

 

 

 

Discuss the State Board's licensing requirement for dispensing opticians

 

 

 

 

Discuss the examination requirements for dispensing opticians as outlined in the State Board's Rules.

 

 

 

 

Discuss the General Provisions for licensing boards as contained in the Official Code of Georgia.

 

 

 

 

Suggested Resources

 

Mandell, R. B. (1988). Contact Lens Practice (4th ed.). Springfield, IL: Charles C. Thomas.

Stein & Slatt. (1990). Fitting Guide For Rigid and Soft Contact Lenses. (3rd ed.). St. Louis: Mosby.

 

Additional Titles

 

Contact the following for current titles:

 

American Board of Opticianry

National Contact Lens Examiners

10341 Democracy Lane

P. O. Box 10110

Fairfax, VA 22030

(703) 691-1061

 

Bulletin of information for candidates.

 

Test specifications and technical guidelines for the dispensing optician and contact lens fitters.

 

State Examining Boards

166 Pryor St. S.W.

Atlanta, GA 30303

 

The Georgia State Board of Dispensing Opticians Laws; Rules and Regulations and General Provisions.