Refraction presentation

•Download as PPTX, PDF•

14 likes•1,878 views

Amit Pawar

Technology Business

CLINICAL REFRACTION
• 1 OBJECTIVE REFRACTION ( RETINOSCOPY )
• 2 SUBJECTIVE REFRACTION

RETINOSCOPY
• POSITIONING AND ALIGNMENT
• FIXATION AND FOGGING
• RETINAL REFLEX
• CORRECTING LENS
• NEUTRALITY

FINDING CYLINDER AXIS
1. BREAK
2. WIDTH
3. INTENSITY
4. SKEW

REFINING OF SPHERE
• Endpoint strongest plus and weakest minus
• Duochrome test

• RAM-GAP ( red add minus green add plus)

BINOCULAR BALANCE
1. FOGGING
2. PRISM DISSOCIATION
3. CYCLOPLEGIA

$Refraction presentation$

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