Management of Colour Vision Defects NV2113

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Questions and Answers

What color might protanopes and deuteranopes likely see a distant green traffic signal as?

White

How much more intensity do protans need in order to perceive red lights?

4 times more

Name one occupation that requires good color vision.

Pharmacist

In which occupation might defective color vision be an asset?

Camouflage detection Signup and view all the answers

What type of professional might be required to fill a form or write a letter of evaluation for patients required to take color vision tests?

Optometrist Signup and view all the answers

Name one occupation where defective color vision may be an asset.

Forensic scientist Signup and view all the answers

Which occupation might require the ability to see colored signals, polychromatic sonar screen, radar navigation, and anti-collision beacons?

Air & sea navigation Signup and view all the answers

Name one occupation in the police force or military that requires good color vision.

Fire fighters Signup and view all the answers

What kind of professionals might need to detect camouflage?

Forensic professionals Signup and view all the answers

Which occupation might require the ability to match colors in textile, paints, and cosmetics?

Colour matcher in textile, paints & cosmetics Signup and view all the answers

What is the starting point for explaining to a patient the severity of their colour vision defect?

Differential diagnosis for anomalous trichromacy & dichromacy Signup and view all the answers

What type of counseling should be provided based on the needs of the patient and the type of colour vision defect?

Type of counseling provided depends on the needs of the patient & the type of cv defect Signup and view all the answers

Why should young children with colour vision defects be assured that they need not be ashamed of any colour mistakes?

Young children need to be assured that they need not be ashamed of any colour mistakes about which other children might enjoy teasing them Signup and view all the answers

What role does colour coding play in the early school years for children with colour vision defects?

Colour coding plays a role in instructional materials used in the early school years Signup and view all the answers

What advice should be given to adolescents and adults with colour vision defects regarding potential career limitations?

Advice about potential career limitations should be given for adolescents & adults Signup and view all the answers

What is the main factor that determines the quality of management of patients with inherited colour vision defects?

The ability to communicate effectively with the patient Signup and view all the answers

What can be offered as an optometrist for patients with inherited colour vision defects, even though there is no cure?

Identify issues of the patient and manage with appropriate counselling Signup and view all the answers

What should be communicated to young children and their parents regarding schooling and colour vision defects?

Young child & parents should be advised to notify the teacher that the child has a cv defect Signup and view all the answers

What need should be addressed for adolescents and adults with colour vision defects in relation to driving?

Important for colour defective persons to know the limitations it may place on their driving ability Signup and view all the answers

What may some patients request for assistance with as a way to improve colour discrimination?

Some patients may request advice or assistance with an aid (i.e. a filter to improve colour discrimination) Signup and view all the answers

Match the following with their appropriate management approach:

Inherited color vision defects = Counselling and tinted filters Acquired color vision defects = Identify issues and manage with appropriate counselling Patients with rod monochromacy = Tinted filters Young children with color vision defects = Informing teachers and identifying difficult colors Signup and view all the answers

Match the following with the correct counseling advice:

Anomalous trichromacy & dichromacy = Start with differential diagnosis to explain severity of defect Schooling for young children with color vision defects = Advising parents and informing teachers about inherited defects Adolescents & adults with color vision defects = Advice about potential career limitations and driving Advising parents of young children with color vision defects = Informing about how color vision defects are inherited Signup and view all the answers

Match the following with the appropriate counseling considerations:

Color coding in early school years = Difficulty in tasks and developing dislike for schooling Driving for color defective persons = Need to know limitations and use other clues for navigation Young children with color vision defects = Assuring them to not be ashamed of color mistakes Adolescents & adults with color vision defects = Recognizing career limitations and traffic signal recognition Signup and view all the answers

Match the occupation with the requirement of good color vision:

Air & sea navigation = Need to see colored signals, polychromatic sonar screen, radar navigation, anti-collision beacons Pharmacist = Requires good color vision Electrical work = Requires good color vision Fire fighters = Requires good color vision Signup and view all the answers

Match the occupation with the requirement of perfect color vision:

Forensic scientist = Requires perfect color vision Driver = Requires perfect color vision Armed forces = Requires perfect color vision Railway operators = Requires perfect color vision Signup and view all the answers

Match the occupation with the need for detecting camouflage:

Police force = Needs to detect camouflage Military = Needs to detect camouflage Forensic professionals = Needs to detect camouflage Motorsports = Needs to detect camouflage Signup and view all the answers

Match the occupation with the requirement for matching colors in textile, paints & cosmetics:

Colour matcher in textile, paints & cosmetics = Requires ability to match colors in textile, paints & cosmetics Pharmacist = Requires ability to match colors in textile, paints & cosmetics Forensic scientist = Requires ability to match colors in textile, paints & cosmetics Doctor = Requires ability to match colors in textile, paints & cosmetics Signup and view all the answers

Match the occupation with the need for seeing colored signals, polychromatic sonar screen, radar navigation, and anti-collision beacons:

Air & sea navigation = Needs to see colored signals, polychromatic sonar screen, radar navigation, anti-collision beacons Railway operators = Needs to see colored signals, polychromatic sonar screen, radar navigation, anti-collision beacons Fire fighters = Needs to see colored signals, polychromatic sonar screen, radar navigation, anti-collision beacons Pharmacist = Needs to see colored signals, polychromatic sonar screen, radar navigation, anti-collision beacons Signup and view all the answers

Match the occupation with the need for seeing a distant green traffic signal as white:

Drivers = Will likely see a distant green traffic signal as white Pharmacists = Will likely see a distant green traffic signal as white Doctors* = Will likely see a distant green traffic signal as white Fire fighters = Will likely see a distant green traffic signal as white Signup and view all the answers

Match the occupation with the requirement for electrical work:

Electrical engineer = Requires electrical work Computer engineer = *Requires electrical work Material & science engineer = *Requires electrical work Chemical engineer = *Requires electrical work Signup and view all the answers

Match the occupation with the requirement for air and sea navigation:

Air & sea navigation personnel = *Require air and sea navigation skills Forensic professionals = *Require air and sea navigation skills Railway operators = *Require air and sea navigation skills Pharmacists = *Require air and sea navigation skills Signup and view all the answers

Match the occupation with the need for radar navigation:

Air & sea navigation personnel = *Require radar navigation Fire fighters = *Require radar navigation Electrical engineers = *Require radar navigation Civil engineers = *Require radar navigation Signup and view all the answers

Match the occupation with the need for anti-collision beacons:

Air & sea navigation personnel = *Require anti-collision beacons knowledge/skills Police force personnel = *Require anti-collision beacons knowledge/skills Military personnel = *Require anti-collision beacons knowledge/skills Railway operators = *Require anti-collision beacons knowledge/skills Signup and view all the answers

Study Notes

Color Vision Defects

Protanopes and deuteranopes may see a distant green traffic signal as yellow or yellow-green.
Protans need 2-4 times more intensity to perceive red lights.

Occupations and Color Vision

Pilots require good color vision.
Electricians may benefit from defective color vision, as they may be less distracted by color-coded wires.
Doctors, especially ophthalmologists, may be required to fill out forms or write evaluation letters for patients taking color vision tests.
Military personnel, such as naval officers, require the ability to see colored signals, polychromatic sonar screens, radar navigation, and anti-collision beacons.
Police officers, especially forensic experts, may need to detect camouflage.
Fashion designers, interior designers, and cosmetologists require the ability to match colors in textiles, paints, and cosmetics.

Counseling and Management

The starting point for explaining the severity of a patient's color vision defect is the correct diagnosis.
Counseling should be tailored to the patient's needs and type of color vision defect.
Young children with color vision defects should be reassured that they need not be ashamed of any color mistakes.
Color coding plays a significant role in early school years for children with color vision defects.
Adolescents and adults with color vision defects should be advised about potential career limitations.
The main factor determining the quality of management of patients with inherited color vision defects is proper diagnosis and counseling.
Optometrists can offer support and coping strategies for patients with inherited color vision defects, although there is no cure.
Young children and their parents should be informed about schooling and color vision defects.
Adolescents and adults with color vision defects should be advised about driving considerations.
Some patients may request assistance with improving color discrimination.

Matching Exercise

Pilots: good color vision
Electricians: defective color vision may be an asset
Doctors: fill out forms or write evaluation letters
Military personnel: seeing colored signals, polychromatic sonar screens, radar navigation, and anti-collision beacons
Police officers: detecting camouflage
Fashion designers, interior designers, and cosmetologists: matching colors in textiles, paints, and cosmetics
Drivers: potential limitations with color vision defects
Optometrists: providing support and coping strategies for patients with inherited color vision defects

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Description

Test your knowledge on the management of inherited and acquired color vision defects, counseling, tinted filters, and patient care. Learn about effective communication with patients and the quality of management for color vision defects.