Zusammenfassung der Ressource
Retinitis Pigmentosa (RP)
- What is it?
- Wasting away of the photoreceptors
- Retinal Pigment Epithelium may also be affected
- Generic name applied to a rod/cone dystrophy
- Characteristics
- Frequently inherited
- Bilateral and symmertical
- Nyclatopia normally present
- both rods and cones eventually affected
- Variable age of onset
- variable rate of progression
- Vision loss
- In most cases rods affected first
- Some degree of visual acuity is likely to remain
- Reduced contrast sensitivity
- If cones remain some colour vision is maintained
- May have colour confusion
- Significant loss of visual field
- Tunnel vision
- Practical implications
- Difficulty with personal care
- Difficulty with daily living tasks
- making a drink
- cooking
- Things get "lost"
- Reading
- text smaller to fit into visual field
- Difficulty using controlled crossing s
- Difficulty negotiating kerbs
- Difficulty with glare
- Visual fatigue/confusion
- Difficulty with neck and shoulder problems using low vision strategies
- scanning
- Difficulty with night time/low light
- Nyctalotia
- difficulty adapting to different light conditions
- outdoor/indoor