# Laurence-Moon syndrome

> English word · Noun

## Definitions
1. A rare genetic disorder associated with retinitis pigmentosa, extra digits, spastic paraplegia, hypogonadism, and mental retardation.

## Etymology
Named after the physicians John Zachariah Laurence and Robert Charles Moon, who first formally described the condition in 1866.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/laurence-moon-syndrome