Ezer ERK-BH Autorefractor Keratometer: Full Specs and Practice Fit
Most write-ups of the Ezer ERK-BH autorefractor stop at two numbers: a dioptric range of −30.00 to +25.00 D and...
Articles
Slit Lamp Microscope: Optical Systems and Magnification Explained
Every slit lamp microscope quote you receive will name an optical system — Galilean, converging, Greenough, continuous zoom — and...
Ezer EDR-H Digital Phoropter: Specs, Lane Workflow & Practice Fit
The Ezer EDR-H digital phoropter is the refraction head at the centre of Ezer's digital exam room — a motorised,...
Ezer ELM-BH-PD Auto Lensmeter: Specs, PD Measurement & Practice Fit
The Ezer ELM-BH-PD auto lensmeter is the PD-sensor model in Ezer's benchtop lensmeter line, and it is the instrument most...
What Is a Keratometer? How It Works and How to Choose One
What is a keratometer? It is an instrument — historically called an ophthalmometer — that measures the curvature of the...
Ezer ETN-1800 Non-Contact Tonometer: Specs, Features & Practice Fit
The Ezer ETN-1800 non-contact tonometer is a fully automated, table-top air-puff instrument with a published measurement range of 1–60 mmHg, fully...
