Visual Impairment 6 Coping With Vision Loss Flashcards
What emotional effect would VI pxs experience?
Worry Identity Frustration Isolation Embarrassment
What visual effect would VI pxs go though?
Reduced high contrast sensitivity
Reduced contrast sensitivity
Central field loss
Peripheral field loss
What conditions may reduce contrast sensitivity?
Glaucoma
Cataracts
Retinitis pigementosa
What 4 aspects of the vision maybe effected or experienced in VL?
Glare
Colour vision
Dark adaption
Light adaption
What is the kubler Ross 1970 load model?
Denial Grief Anger Bargaining Reactive depression Acceptance
What is the Thurston 2010 transition to blindness model?
Stage 1- dx and shock Stage 2- hiding sight liss Stage 3- enforced change to lifestyle Stage 4- accepting rehab Stage 5- acceptance
What are the key sxs to depression?
Persistent sadness
Low mood
Marked loss of interest of pleasure
What is the minimum amount of time a VI px experience sxs before being considered depression
2/52…. although its not about duration
What is the purpose of VTA?
Determine minimum visual standard required for task
Evaluate small changes can improve comfort and efficacy
What different aspects are checked in VTA?
Working distance Size of detail Size of working areas Head movement Movement of task Direction of gaze BV Stereopsis Potential risks Colour vision VF Visibility Lighting
What can be used to check what VA is required when measuring detail size?
Nomogram
What factors influence LVA success
Px motivation Personality Peer support Pxs age Time elapsed since onset Social factors Medical conditions
What factors effect rehab?
VA
VF
Colour vision
What is involved in a training and follow up appointment?
Training needed for LCA: D or N On/off switch+battery change Which specs worn Hold position mag to source
What training or discussion takes place when using near aids?
Confirm tasks
Confirm fixation
Discuss LVA
Check current performance
Feedback given by px (15-20 sessions maybe required (2-3/52))
Verbal written instructions
Next visit- 2-3 weeks after 1st receiving LVA
What aspects are discussed in distance LVA training but not in near LVA?
Localisation- locating Focusing- placed various dist Spotting- localise and focus Tracing- follow line Tracking- object moving Scanning- sweep VF
How long till the follow up appointment?
2-3 weeks
What are the common problems for problems when using the LVA?
VA deterioration
LVA used suboptimally
LVA used for other tasks
How long is the long term follow up?
6/12- 1 yr
What other support is available that they cam make use of?
Mobility training Daily living task Communication Social services rehab workers ECLO Support groups Guide dogs
What is the most common visual hallucinations found in VI pxs?
Charles Bonnet syndrome
What associated factors are linked with CBS?
Living alone Poor health Auditory loss Bilateral VL Dim lighting Assoc c AMD
What is the criteria for CBS?
- Acquired VI
- Complex visual hallucinations
- Absence of neurogical/psychiatric disease
- Absence of hallucinations in other modalities
- Presented insight cognition and intellectual function
What 2 questions are asked if CBS is suspected?
Anything unusual about vision
…follow up c…. pxs often see know that they are not there
