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Lovenia Valencia
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COMPARATIVE VALIDITY OF LEA CONTRAST SENSITIVITY CHART TO PELLI-ROBSON CONTRAST SENSITIVITY CHART IN NEURO-OPHTHALMOLOGY PATIENTS Lovenia Valencia; Riski Prihatningtias
Majalah Oftalmologi Indonesia Vol 49 No S2 (2023): Supplement Edition
Publisher : The Indonesian Ophthalmologists Association (IOA, Perhimpunan Dokter Spesialis Mata Indonesia (Perdami))

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35749/ahbbs726

Abstract

INTRODUCTION AND OBJECTIVEThe Pelli-Robson and LEA contrast sensitivity chart are widely used to measure clinical contrastsensitivity. The Pelli-Robson is a gold standard with the limitation of its bulky size. The LEAcontrast sensitivity chart offers a reliable test in a way more practical and portable chart. Thiscondition led to a question of whether we can predict Pelli-Robson score based on the LEA score.This study developed a conversion method to facilitate the transition from the LEA to the PelliRobson and validating the conversion score. METHODSThis study retrospectively examined the relationship between LEA and Pelli-Robson ContrastSensitivity Test. There were 120 eyes included in this study. We produced a conversion tableusing the equipercentile equating method. Then, we evaluated the reliability and accuracy of thisalgorithm to convert the LEA to the Pelli-Robson contrast sensitivity score. RESULTSLEA scores were converted to Pelli-Robson scores according to a conversion table that achieveda reliability of 0.91 based on intraclass correlation. The accuracy of this algorithm was 81.6%within 1 point difference from the raw score. CONCLUSIONSThis study reported a reliable and comparable conversion algorithm for transforming LEA scoresinto converted estimated Pelli-Robson scores. This method will enhance the utility of existing datain clinical and research settings.
Comparative Validity of LEA Contrast Sensitivity Chart to Pelli-Robson Contrast Sensitivity Chart in Neuroophthalmology Patients: Oral Presentation - Observational Study - Resident Lovenia Valencia; Riski Prihatningtias
Majalah Oftalmologi Indonesia Vol 49 No S2 (2023): Supplement Edition
Publisher : The Indonesian Ophthalmologists Association (IOA, Perhimpunan Dokter Spesialis Mata Indonesia (Perdami))

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35749/m0amyh19

Abstract

Abstract Introduction & Objectives : The Pelli-Robson and LEA contrast sensitivity chart are widely used to measure clinical contrast sensitivity. The Pelli-Robson is a gold standard with the limitation of its bulky size. The LEA contrast sensitivity chart offers a reliable test in a way more practical and portable chart. This condition led to a question of whether we can predict Pelli-Robson score based on the LEA score. This study developed a conversion method to facilitate the transition from the LEA to the Pelli-Robson and validating the conversion score. Methods : This study retrospectively examined the relationship between LEA and Pelli-Robson Contrast Sensitivity Test. There were 120 eyes included in this study. We produced a conversion table using the equipercentile equating method. Then, we evaluated the reliability and accuracy of this algorithm to convert the LEA to the Pelli-Robson contrast sensitivity score. Results : LEA scores were converted to Pelli-Robson scores according to a conversion table that achieved a reliability of 0.91 based on intraclass correlation. The accuracy of this algorithm was 81.6% within 1 point difference from the raw score. Conclusion : This study reported a reliable and comparable conversion algorithm for transforming LEA scores into converted estimated Pelli-Robson scores. This method will enhance the utility of existing data in clinical and research settings.
Comparative Validity of LEA Contrast Sensitivity Chart to Pelli-Robson Contrast Sensitivity Chart in Neuroophthalmology Patients: Oral Presentation - Observational Study - Resident Lovenia Valencia
Majalah Oftalmologi Indonesia Vol 49 No S2 (2023): Supplement Edition
Publisher : The Indonesian Ophthalmologists Association (IOA, Perhimpunan Dokter Spesialis Mata Indonesia (Perdami))

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35749/g3beq138

Abstract

Abstract Introduction & Objectives : The Pelli-Robson and LEA contrast sensitivity chart are widely used to measure clinical contrast sensitivity. The Pelli-Robson is a gold standard with the limitation of its bulky size. The LEA contrast sensitivity chart offers a reliable test in a way more practical and portable chart. This condition led to a question of whether we can predict Pelli-Robson score based on the LEA score. This study developed a conversion method to facilitate the transition from the LEA to the Pelli-Robson and validating the conversion score. Methods : This study retrospectively examined the relationship between LEA and Pelli-Robson Contrast Sensitivity Test. There were 120 eyes included in this study. We produced a conversion table using the equipercentile equating method. Then, we evaluated the reliability and accuracy of this algorithm to convert the LEA to the Pelli-Robson contrast sensitivity score. Results : LEA scores were converted to Pelli-Robson scores according to a conversion table that achieved a reliability of 0.91 based on intraclass correlation. The accuracy of this algorithm was 81.6% within 1 point difference from the raw score. Conclusion : This study reported a reliable and comparable conversion algorithm for transforming LEA scores into converted estimated Pelli-Robson scores. This method will enhance the utility of existing data in clinical and research settings.
Co-Authors Riski Prihatningtias