Postoperative Evaluation of Bilateral Reading Performance With Two Intraocular Lenses: Twelve-Month Results

BACKGROUND: A number of charts based on checking reading parameters are increasingly being used to assess visual functions. These charts are standardized, translated into many languages. The development of a Russian chart based on international standards and the determination of age norms of clinical reading parameters will allow it to be used for a more accurate assessment of the dynamics of diseases and treatment results. AIM: The aim is to determine the normal reading parameters in patients of different age groups. MATERIALS AND METHODS: Based on international standards, two Russian charts have been developed to study reading parameters. Reading parameters were determined during one session in 135 subjects, divided into 3 groups: I — 18–39 years, II — 40–59 years, and III — 60–81 years. Three main parameters were studied: maximum reading speed, critical print size, and reading acuity (RA). RESULTS: As a result of the study, age norms for basic reading parameters were determined. Maximum reading speed in group I was 192.5 ± 1.2, in group II — 180.6 ± 1.1 and in group III — 168.9 ± 0.8 words/min. Critical print size in group I was 0.14 ± 0.01, in group II — 0.24 ± 0.01, and in group III — 0.36 ± 0.01 logMAR. The reading acuity in group I was 0.009 ± 0.006, in group II — 0.075 ± 0.04, in group III — 0.143 ± 0.005 logMAR. The differences between the studied parameters in groups I/II, I/III and II/III were statistically significant (p 0.05). CONCLUSIONS: The indicators of reading parameters obtained during the study can be used as approximate age norms.

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Postoperative Evaluation of Bilateral Reading Performance With Two Intraocular Lenses: Twelve-Month Results

Abstract: Both of the IOLs achieved good visual performances. However, the Acriva Reviol MFM 613 IOL performed better than the AcrySof ReSTOR SN6AD1 at an intermediate distance, whereas the AcrySof ReSTOR SN6AD1 provided better near distance results.

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References 18 publications

Comparison of reading performance with low add bifocal and extended depth of focus intraocular lenses implanted with mini-monovision

Comparison of reading performance with low add bifocal and extended depth of focus intraocular lenses implanted with mini-monovision

Standardized Russian reading chart for assessing reading parameters

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