Logitech MX Master 3S Review 2026: An Optometrist's Take on Ergonomics for Digital Eye Strain

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Introduction: Why Your Mouse Matters for Your Eyes (and Wrists)

As an optometrist, I’m constantly analyzing how our digital habits impact our vision and overall well-being. While screens and lighting often take center stage, the humble computer mouse plays a surprisingly critical role in your ergonomic setup. A poorly designed or ill-fitting mouse can lead to not just wrist pain and repetitive strain injury (RSI), but also contribute to neck tension and compensatory head movements that directly impact visual comfort and digital eye strain.