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Prism adaptation
Strabismus
Key Points
- •Prism adaptation unmasks the full latent deviation in 60–70% of acquired esotropia patients by neutralising fusional vergence effort
- •The PAS study showed prism-adapted patients achieved 83% surgical success vs 72% without adaptation; responders with augmented surgery reached 89%
- •Prism responders who achieve fusion and improved stereoacuity during adaptation have the best prognosis for post-operative binocular vision
- •Prism adaptation is NOT indicated for infantile esotropia, exotropia, or incomitant strabismus
- •Full cycloplegic refraction must be worn for ≥6 weeks before starting - uncorrected hypermetropia confounds results
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17 more sections are included with the Clinical plan.
- Definition
- Epidemiology
- Aetiology and causes
- Pathogenesis
- Classification
- Risk factors and associations