OCULUS Keratograph 5M – Technical Specifications & Features The Keratograph 5M is a high-precision corneal topographer and ocular surface analyzer developed by OCULUS GmbH (Germany). It is widely used in ophthalmology and optometry for dry eye diagnostics, contact lens fitting, and anterior segment evaluation. 🔬 Main Clinical Applications Non-invasive dry eye diagnostics Tear Break-Up Time (TF-Scan) Tear meniscus height (TMH) Meibography (infrared imaging of meibomian glands) Conjunctival redness grading (objective color-coded map) Contact lens fitting simulation Helps predict lens position, centration, and fit Pupil diameter tracking under various lighting conditions OxiMap for lens oxygen transmissibility Visualizes how much oxygen reaches the cornea through different lenses Feature Specification Imaging System Placido ring-based corneal topography (22 rings) Data Points ~22,000 curvature data points Camera Built-in color camera + infrared illumination Dry Eye Analysis Yes – Full non-invasive tools Meibography Yes – Infrared imaging of meibomian glands Tear Film Analysis Tear Break-Up Time (NIBUT), Tear Meniscus Height Pupillometry Dynamic pupil measurement (light​/​dark) Redness Grading Automatic conjunctival redness analysis OxiMap® Lens oxygen transmissibility mapping Contact Lens Simulation Yes – Lens fitting assistant Connection Interface USB 2.0 Power Consumption Approx. 25 W Dimensions 275 × 320–400 × 485–512 mm Weight ~3.0 kg Return Policy: Items are sold as-is with no returns or refunds available unless explicitly stated.