Tag: vision measurement

February 4, 2026 / Mohammed looti

INTEROCULAR DISTANCE

Definition and Significance of Interocular Distance (IOD) Interocular distance (IOD), often referred to interchangeably in clinical settings as interpupillary distance (IPD), represents the fundamental metric defined as the physical separation measured between the centers of the pupils of the two eyes. This measurement is typically expressed in millimeters (mm) and serves as a foundational parameter […]

November 12, 2025 / Mohammed looti

STRABISMOMETER

Introduction to the Strabismometer The strabismometer is a highly specialized ophthalmic and optometric instrument designed specifically for the quantitative assessment of strabismus, a condition characterized by the misalignment of the eyes, often referred to as a squint or crossed eyes. While the basic definition is straightforward—an instrument that measures the amount of strabismus—its clinical utility […]