DRAFT Functional Needs

Use without vision

1. Use as blind (born without vision)

2. Use with blindness (acquired blindness during lifetime)

Use with limited vision

1. Use with limited central vision

2. Use with limited peripheral vision ·XR·

3. Use with limited interocular acuity or monocular input

Use without color perception

Use with limited color perception

Use with limited depth perception ·XR·

Use with limited orientation or spatial tracking ·XR·

Use with photosensitivity (too much or too little)

Use without hearing

1. Use as Deaf (born with congenital deafness and/or to a deaf family)

2. Use as deaf (acquired deafness during lifetime after a language was learned)

Use with limited hearing

Use with limited auditory processing (speech)

Use with (age and Presbycusis related) sensorineural hearing loss (limited frequency range)

Use without vision and hearing

1. Use without vision from birth then without hearing as acquired 

2. Use without hearing from birth then without vision as acquired 

Use with vestibular issues

Use without spatial auditory awareness or perception (needs diegetic sound) ·XR·

Use without mobility

Use with limited mobility ·XR·

1. Use with limited ambulation

2. Use with temporary or partial paralysis

Use with limited reach or range ·XR·

Use without hands

Use without multiple touchpoint gesture

Use with limited strength

Use without fine point control

Use without physical tracking speed

Use with tremors

Use with limited tactile perception, sensory processing, or touch pressure sensitivity

Use with chronic pain impacting input or interaction modality

Use without vocalization

Use with limited vocalization or volume

Use with limited ability to focus attention 

Use with limited ability to direct attention

Use with limited ability to shift attention 

Use without ability to read 

Use with limited ability to recognize written language

Use with limited ability to comprehend written language 

Use without ability to write 

Use with limited ability to correctly write (or type) words and use punctuation

Use without understanding symbols

Use without understanding metaphors, idioms, euphemisms, or specific dialect of culture or location

Use with limited ability of math and numeric concepts

Use with limited compositional skill (simultaneous thinking and input)

Use with limited coordinational skill (motoric skills, visual-spatial organizational memory, and social)

Use with limited short-term or working memory 

Use with limited medium or long-term memory

Use with limited sensory memory

1. Visual

2. Visuo-spatial

3. Auditory

Use with limited planning, organization, sequencing, and execution ability

Use with limited emotional control and self monitoring

Use with limited judgement

Use with debilitating fear or anxiety

Use with interocular transfer of visual memory (retrieval based on limited acuity in a single eye)

Use with limited phonological or phonemic awareness