Course

CONTACT LENS LABORATORY 1

Important Notice

This course is not active. Please contact Department Chair for more information.

Faculty
Science & Technology
Department
Dispensing Opticianry
Course code
DOPT 2412
Credits
4.00
Semester length
15
Max class size
14
Typically offered
To be determined

Overview

Course description
This course provides students the laboratory skills for quality control of contact lens materials, solutions, and their ocular applications. The ability to calibrate, maintain and implement the use of the equipment and tools associated with the contact lens laboratory. It provides the student with the skills to assimilate information collected on contact lens materials and solutions for ocular application and effect.
Course content

1.             Introduction

                                                -Laboratory objectives

                                                -Orientation to laboratory instruments and equipment

                                                -Laboratory hygiene

                                                -equipment sterilization

 

2.             Instrumentation

                                Slit Lamp Biomicroscope                  Keratometry                         Lensometer

                                Profile Analyzer                                   Hand Loop                                         Diameter Gauge

                                Vertex Conversion Chart                   Dioptric Conversion Chart

                                Snellen Chart                                        Acuity Trial Lens Set

 

 

 

 

N:  Course Content:

 

3.             Lens Types, Material Characteristics, and Fitting Relationship to Ocular Health

 

                                3.1          Material compounds

                                3.2          Material configurations and design

                                3.3          Lens parameter determination

                                3.4          Chemical properties of contact lenses

                                3.5          Manufacturer’s material limitations

 

                4.            Contact Lens Solution Properties, Chemical Compounds, and Relationship to Ocular Health

                               

                                4.1          Chemical Disinfection Systems

                                4.2          Thermal Disinfection Systems

                                4.3          Hydrogen Peroxide Disinfection

                                4.4          Surfactant Cleaners

                                4.5          Enzyme Cleaners

                                4.6          Rewetting Agents

                                4.7          Medically Prescribed Ocular Pharmaceutical Agents

 

                5.             Solution Procedures / Specific Function

 

                                5.1          Chemical Disinfection Systems

                                5.2          Thermal Disinfection Systems

                                5.3          Hydrogen Peroxide Disinfection

                                5.4          Surfactant Cleaners

                                5.5          Enzyme Cleaners

                                5.6          Rewetting Agents

 

 

                6.             Contact Lens Contaminants / Bacteria / Fungus, and Fitting Relationship to Ocular

                             Health

 

                                6.1          Chemical contamination

                                6.2          Fungus / Bacterial growth

                                6.3          Protein build up

                                6.4          Calcium deposits

                                6.5          Airborne contamination

                                6.6          Dehydration

 

                7.             Contact Lens Deformation / Defects and The Relationship to Fitting Complications

 

                                7.1          Minuscule cracks

                                7.2          Stress cracks

                                7.3          Lathe cut deposits

                                7.4          De-Blocking deposits

                                7.5          Edge deformation

                                7.6          Hydration times

                                7.7          Unsterile vials and solution

                                7.8          Stale dating

Learning activities
  1. Laboratory Lectures
  2. Application/Instrumentation exercises in Laboratory
  3. Independent study of courseware
  4. Completion of Proficiency Tests
  5. Completion of Laboratory  Assignments
Means of assessment

Evaluation of this course will be based on the course objectives in accordance with Douglas College policies.  Evaluation methods will include written, oral and practical assessment.

 

                1.             Completion of Post Tests                                                   20%

                2.             Midterm Exams   (X2)                                                       40%

                3.             Final Exam                                                                       30%        

                4.             Completion of field assignments                                      10%       

Learning outcomes

Upon successful completion, the student will be able to:

                1.             Demonstrate competency with the use of the following instruments

                                for contact lens fitting and analysis:

 

                                Slit Lamp Biomicroscope                  Keratometry                             Lensometry

                                Profile Analyzer                                   Hand Loop                                             Diameter Gauge

                                Vertex Conversion Chart                   Dioptric Conversion Chart     Radiuscope     

                                Acuity Charts                                       Acuity Trial Lens Set

 

                     2.            Accumulate skills and knowledge through use of instrumentation on contact lens materials, and the relationship to fitting procedures.

 

                3.             Evaluate data collected through instrumentation on contact lens parameters.

 

                   4.            Evaluate material and fitting characteristics based on knowledge of chemical properties and characteristics of contact lens materials.

 

                5.             Assimilate imperfections of contact lens materials, identify the

                                probable cause, and identify the resolution

 

                6.             Recall knowledge of contact lens materials by manufacturer, label

                                name, material compound names, water content, power range and

                                recommended patient fitting procedure and wearing schedule.

 

                7.             Recall knowledge of contact lens cold disinfection systems,

                                lens storage solutions, surfactant cleaning solutions, enzyme cleaners,

                                rewetting agents, and medically prescribed pharmaceutical agents.

 

                8.             Apply knowledge of contact lens solutions and contact lens material

                                characteristics to physical cleaning and disinfection of contact lenses.

 

                9.             Analyze effective and non-effective solutions by contact lens surface

                                examination

 

                10.          Recall knowledge of contact lens solutions by manufacturer, brand

                                name, chemical ingredients, recommended usage.

Textbook materials

Textbooks and Materials to be Purchased by Students

 

            Efron, Contact Lens Practice,(Latest Edition) Butterworth-Heinemann

 

                Douglas College Courseware

Requisites

Prerequisites

DOPT 1310/or/Meeting Second Year Direct Entrance Requirements

Corequisites

DOPT 2400 and DOPT 2410

Equivalencies

No equivalent courses.

Course Guidelines

Course Guidelines for previous years are viewable by selecting the version desired. If you took this course and do not see a listing for the starting semester / year of the course, consider the previous version as the applicable version.

(Current)

Course Transfers

These are for current course guidelines only. For a full list of archived courses please see https://www.bctransferguide.ca

Institution Transfer details for DOPT 2412
There are no applicable transfer credits for this course.

Course Offerings

There are no course offerings this semester.