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Impressum
Comparison of phoropter and aberroscopy refraction
Gerhardt D., Mirshahi A., Kohnen T.
Zentrum für Augenheilkunde, Johann Wolfgang Goethe-Universität, Theodor- Stern- Kai 7, 60590 Frankfurt
Objective: To compare the reliability and accuracy of refractive
error measured by aberrometer to subjective refraction (phoro- optometer).
Methods: In a prospective study 39 adults (77 eyes) age range from
21 to 48 years underwent subjective refraction (phoropter) and aberrometry
(Zywave, Bausch & Lomb) with undilated pupils.
Results: For 77 eyes of 39 adults correlation coefficient (R) for
spherical values comparing subjective manifest refraction to the predicted
phoropter refraction (aberrometry) was 0.99. Comparing values of cylinder
R exceeded 0.95. Correlation coefficient for spherical equivalent was
0.99.
Conclusion: Aberrometer seems to be an additional device in defining
refraction. It provides reliable information about spherical and cylindrical
values compared to subjective manifest refraction.