Eye-care decisions, decided

Rule-based configurators and comparisons — each gives a clear, auditable recommendation in under a minute. Educational only, not medical advice.

Progressive vs Bifocal Configurator
Compare progressive and bifocal lenses based on screen use, driving, current eyewear, and budget.
Open Progressive vs Bifocal →
Reading-Glasses Strength Estimator
Estimate a reading-glasses diopter range using age, reading distance, and intended use.
Open Reading Strength →
OTC Dry-Eye Drops Comparison
Compare over-the-counter dry-eye drops by active ingredient, preservative status, and contact-lens compatibility.
Open Compare Drops →