how to cases of armd effect on low vision patient

1. Cases of ARMD in Low vision
Jasmin modi
2nd year hari jyot college of optometry
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2. Age related macular degeneration in
Low vision patient
 What is ARMD??
The macula in the retina degenerates ,causing a gradual or sudden
loss of vision.
mainly affected area macula, it occurs on person over 50 years of age
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3. Objectives
 Definition /introduction
 How to take history of ARMD patient
 Symptoms and their behaviour manifestation
1)Central field loss
2)Reduced visual acuity
3)Poor colour vision
 Prescribing low vision aid
1)Optical
2)Non optical
 Treatment
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4. History considering point
 Caucasian
 Family history
 High blood pressure or a history of hypertension
 Light iris color
 Smoking
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5. Central field loss
 Produce inability to perceive objects or people in direct line of sight
 May be .... Image
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6. Central relative scotoma Central absolute scotoma
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7. Behavioural manifestation
 Not talking directly to people
 Lack of eye contact
 Diminishing ability to recognize people in front of them
 Unusual head position
Management of central field loss
 Training eccentric views
 Fresnel prisms
 Self illuminated magnifier
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8. Poor colour vision
 Inability to identify colour of objects
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9. Behavioural manifestation
 Un co-ordinated clothing
 Issues identifying their medicine
Management of poor colour vision
Use strong colour and contrasts
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10. Reduced visual acuity
blurred vision distance and near
Behavioural manifestation
 Difficulty in preapre food and eating
 Difficulty in signing documents
 Driving
Management
 Spectacles
 Telescope for distance
 Magnifiers
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11. Other visual affects...
 Metamorphosia :-straight line appear wavy
 Blind spot:- small area of loss of vision
Sees only peripheral vision not seen by centrally
 Photophobia
 Depth perception
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12. Prescribing low vision aid??
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13. 1.)Optical devices
 Stand magnifier or self illuminated magnifier
 For driving purpose monocular telescopes
 Magnifying spectacles for distance view of fixation
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14. 2)Non optical devices
 Reading guide, check guide, signature guide
 Glare reduction and enhances the contrast
 Contact lenses x chrome
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15. Treatment
 Laser treatment can sometimes be used to slow the progression
of the disease
 Other treatments that have been investigated (but not yet
established) include the use of radiation, laser treatment of
drusen , photodynamic therapy, submacular surgery, retinal cell
transplantation, and the use of vascular endothelial growth
factor
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16. References
 Ajay Kumar boothra
 Monika chaudhry second addition
 Low vision management
Picture are captured through
www.google.com
Wikipedia
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17. Under guidance by
Mr paras desai M.optom
 Thanks
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