Visual Disabilities (AI) Flashcards
(20 cards)
What are assistive technologies?
Products, devices, systems, or items used by people with disabilities to perform tasks they could not do otherwise.
Also called adaptive technologies or adaptive software when used with computers.
What is the definition of blindness?
A sensory disability involving some vision loss, nearly complete vision loss, and complete vision loss.
What is color vision deficiency?
A sensory disability where a person may not be able to distinguish certain color combinations.
What percentage of males and females are affected by red-green color vision defects?
8.3% of males (1 in 12) and 0.5% of females (1 in 200).
Define low vision.
Uncorrectable vision loss that interferes with daily activities, better defined in terms of function than numerical test results.
How many people globally have low vision according to the World Health Organization?
About 246 million people, or 3.5% of the world’s population.
What are some barriers faced by people with visual disabilities?
Materials not available in alternate formats, inadequate lighting, non-tactile signs, and images without text alternatives.
What is one solution for improving accessibility in the physical environment?
Use raised tiles on the ground to indicate the edge of a platform.
What is a screen reader?
A tool that converts text and structural information of interfaces and content to speech.
True or False: Most people with vision impairment are under 50 years old.
False.
Fill in the blank: Accessibility is about designing products, services, and environments to ensure equal access for _______.
everybody including people with disabilities.
What are adaptive strategies?
Tweaks and adjustments that people with disabilities use to perform daily living activities.
What is one characteristic of a person with low vision?
Typically needs magnification to read or discern other details.
List some assistive technologies for people with visual disabilities.
- Screen magnification
- Large print
- GPS-based navigation instructions
- Mobile apps for audio descriptions.
What are some accessibility measures in ICT environments?
Provide text alternatives, ensure graphical design allows for magnification, and use high contrast color combinations.
What demographic largely suffers from vision impairment?
Most people with vision impairment are over 50 years old.
What is the leading cause of vision impairment globally?
Uncorrected refractive errors and cataracts.
What is an example of an environmental adaptive strategy?
Moving closer to a person speaking in an auditorium to hear better.
What is the responsibility of the provider of a product or service regarding accessibility?
To provide accessibility measures.
What is the role of service animals for people with visual disabilities?
Help people navigate.
