This chart can help determine if a person’s pupils are within the normal range of size. Occasionally, differing pupil size is inherited and there is no underlying disorder.

The normal pupil size in adults varies from 2 to 4 mm in diameter in bright light to 4 to 8 mm in the dark. The pupils are generally equal in size. They constrict to direct illumination (direct …

What Is the Normal Pupil Size in Millimeters? When discussing pupil size, it’s helpful to understand that the diameter of the pupil is measured in millimeters (mm).

Oct 27, 2025 · Normal pupil size ranges between 1/16 to 5/16 of an inch (2.0 to 8.0 millimeters), depending on the lighting. 1 The size of your pupil can tell your healthcare provider quite a bit …

Jul 19, 2025 · A pupil dilation chart is a tool used by healthcare professionals to measure and document pupil size. These charts typically display a series of circles of increasing size, each …

Jun 26, 2025 · This article explores the factors governing pupil size, deviations from the norm, and the implications for various technological applications.

Mar 28, 2019 · Average pupil size We’ll look at when and why your pupils change size. First, the range of “normal” pupil sizes, or, more accurately, what the average is.

Web this article offers a free printable pupil size chart as a convenient pdf download. Web up to 20% of the population is affected by unequal pupil sizes, known as anisocoria.

The article will cover the anatomy and physiology of the pupil, methods of neurological assessment, interpretation of pupil size, and common abnormalities identified using the chart. …

This comprehensive article explores what a pupil size chart is, how pupil size is measured, the factors that influence pupil diameter, and the clinical significance of abnormal pupil sizes.