Show HN: An offline desktop companion to help maintain a healthy blink rhythm
eyesrhythm.com31 points15 comments
EyesRhythm is a free desktop wellness app for macOS and Windows that uses a webcam to help people notice and improve their blinking during long stretches of screen work. Its central measure, the Ocular Rhythm Index (ORI), combines blink frequency with how evenly blinks are spaced, on a 0-100 scale; the premise is that a reasonable total can still conceal long gaps and bursts. A compact companion window shows the score, screen time, and look angle, while a live graph tracks recent rhythm and reports summarize daily activity.
The app offers optional visual or sound alerts, a separate beep for each detected blink, and a guided two-minute practice session intended to help users build a steadier habit. Poise adds a posture prompt by recording which head-turn directions the user has taken in 30-degree slices, highlighting neglected directions so they can move their neck and shoulders. The developer presents the tool as unobtrusive and privacy-focused: camera frames are processed and discarded locally, with no account, cloud service, analytics, or video storage; totals and preferences remain on the computer. EyesRhythm is explicitly a wellness companion, not a medical device or treatment, and persistent eye discomfort or vision changes should be addressed with an eye-care professional. The download is free, with no account or license key required.
Summary generated by AI from the linked article. hn.today is not affiliated with Hacker News or Y Combinator.
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