COMPUTERS

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COMPUTERS VISION

• K P
  MASHIGE
• UKZN
  

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VISUAL DISPLAY UNIT

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VISUALLY DISABLING UNIT

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INTRODUCTION

• Computer era
• Computers used almost in every sphere of life
• Role of Optometrists

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Stats on effect of Computers on Visual System

• 50 of people working with computers complain of
  some type of eye problem (Thomsom, 1998)
• The American Optometric Association estimates
  that 70 to 75 percent of all computer users
  experience CVS symptoms.  

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SYMPTOMS EXPERIENCED

• HEADACHES
• BLURRED NEAR VISION
• BLURRED DISTANCE VISION
• SLOWNESS IN FOCUSSING
• DIPLOPIA

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SYMPTOMS EXPERIENCED

• EYESTRAIN/ASTHENOPIA
• GLARE/PHOTOPHOBIA
• EYE IRRITATION
• MUSCULOSKELETAL

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ASSESSMENT
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ASSESSMENT

• CASE HISTORY
• REFRACTIVE ERROR
• BINOCULAR STATUS
• OCULAR HEALTH STATUS

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ENVIRONMENTAL PROBLEMS

• LIGHTING
• RADIATION
• REFLECTION FROM COMPUTER SCREEN
• POSTURE

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Ergonomic Posture Setup
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Computer Vision Syndrome

• eye and vision-related problems related to near
  work which are experienced during or related to
  computer use."
• Symptoms of CVS fall into 3 categories
• vision problems
• eye problems
• general discomfort

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ROLE OF OPTOMETRIST

• CORRECTION OF AMETROPIA
• VISION THERAPY
• OCULAR HYGIENE
• ASSESSMENT OF WORKSTATION

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THANK YOUEnjoy the Cricket