OPT511 - Contact Lens Skills Refresher

Outline info
Last revision date 2016-07-12 16:00:01.381
Last review date 2016-07-12 16:00:01.384

Subject Title
Contact Lens Skills Refresher

Subject Description
This refresher subject is available to Registered Intern Opticians who are preparing to take the Registration Examinations. Students review and utilize procedures for taking critical contact lens measurements using the Radiuscope and related measurement devices.  Contact lens insertion and removal techniques are included.

Credit Status
Special Interest

Learning Outcomes
Upon successful completion of this subject the student will be able to:

1. Demonstrate procedures for insertion and removal of soft and rigid gas permeable lenses.

2. Demonstrate on a model eversion of the upper eyelid to reveal the palpebral conjunctiva.

3. Measure the back vertex power, base curve and diameter of a RGP lens using the radiuscope, lensometer and diameter gauge.

4. Assess the conditon of various RGP lenses to discern whether they are safe to dispense.

Cheating and Plagiarism
Each student should be aware of the College's policy regarding Cheating and Plagiarism. Seneca's Academic Policy will be strictly enforced.

To support academic honesty at Seneca College, all work submitted by students may be reviewed for authenticity and originality, utilizing software tools and third party services. Please visit the Academic Honesty site on http://library.senecacollege.ca for further information regarding cheating and plagiarism policies and procedures.

All students and employees have the right to study and work in an environment that is free from discrimination and/or harassment. Language or activities that defeat this objective violate the College Policy on Discrimination/Harassment and shall not be tolerated. Information and assistance are available from the Student Conduct Office at student.conduct@senecacollege.ca.

Accommodation for Students with Disabilities
The College will provide reasonable accommodation to students with disabilities in order to promote academic success. If you require accommodation, contact the Counselling and Disabilities Services Office at ext. 22900 to initiate the process for documenting, assessing and implementing your individual accommodation needs.

Registered Intern Optician status with the College of Opticians of Ontario.

Topic Outline
Lens Insertion / Removal

  • Disinfection protocol for instruments and lenses
  • Insert & remove soft lenses using safe patient handling
  • Insert & remove RGP lenses using safe patient handling
Lid Eversion
  • Evert eyelid using safe patient handling
Radiuscope / Lensometer
  • Measure B.C., back vertex power and diameter of RGP lenses of various design
  • Identify spherical, front toric and back toric RGP lens designs
  • Measure the BVP of a saof contact lens
Lens Verification
  • Using the magnifying loupe, analyze several contact lenses to determine their fitness to dispense

Mode of Instruction
Classroom discussion, hands-on practice.

Reference Material
 System for Ophthalmic Dispensing 3rd Edition; C.W. Brooks, I.M Borish; Elsevier

Promotion Policy

Grading Policy
A+ 90%  to  100%
A 80%  to  89%
B+ 75%  to  79%
B 70%  to  74%
C+ 65%  to  69%
C 60%  to  64%
D 55%  to  59%
F 0%    to  54% (Not a Pass)
EXC Excellent
SAT Satisfactory
UNSAT Unsatisfactory

For further information, see a copy of the Academic Policy, available online (http://www.senecacollege.ca/academic-policy) or at Seneca's Registrar's Offices.

Approved by: Lisa Somers