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Clinical trial of Optolax II: a pilot study

We tested a device to train the facility of accommodation (Optolax II) over a two week period to determine if the training reduced manifest myopia and improved unaided and aided distance visual acuities. Objectively and subjectively measured myopia was reduced on average after training; unaided visual acuity improved by 0.05‐0.08 log units (three to four letters) after the two week training period. These preliminary findings indicate that a more prolonged and more controlled trial of the device is warranted.