A Novel Bluetooth-Based Automated Flipper for Measuring Accommodative Facility: a Comparison with Conventional Manual...

Area of Science:

• Ophthalmology
• Pediatric Optometry
• Vision Science

Background:

• Accommodative facility (AF) is crucial for visual function in children.
• Accurate measurement of AF is essential for diagnosing and managing visual disorders.
• Existing methods for measuring AF may have limitations in terms of accuracy and ease of use.

Purpose of the Study:

• To evaluate the diagnostic accuracy of a novel Bluetooth-based automated flipper for measuring accommodative facility (AF) in children aged 8 to 12 years.
• To compare the performance of the automated flipper against a manual flipper, considered the gold standard.

Main Methods:

• A cross-sectional study with a crossover design was conducted with 129 children (aged 8-12).
• Participants were randomly assigned to groups using either manual or automated flippers initially, then switched methods.
• Diagnostic accuracy was assessed using the area under the receiver operating characteristic curve (AUC), sensitivity, and specificity.

Main Results:

• The automated flipper demonstrated a strong significant correlation with the manual flipper for both monocular (r=0.819) and binocular (r=0.813) AF measurements (P < 0.001).
• The automated flipper showed high diagnostic accuracy for inadequate AF, with AUCs of 0.911 for MAF and 0.920 for BAF.
• Specific cutoffs for the automated flipper yielded satisfactory sensitivity and specificity in identifying inadequate accommodative facility.

Conclusions:

• The Bluetooth-based automated flipper is a reliable tool for measuring accommodative facility in children.
• The automated flipper exhibits strong correlation and satisfactory diagnostic accuracy compared to the manual flipper.
• This novel device is recommended for enhancing the accuracy and efficiency of accommodative facility testing in pediatric populations.