Simple and inexpensive software designed for the evaluation of color.
OBJECTIVE
To report on new software that was specially designed to evaluate color.


METHODS
Software development and observational case report. Each pixel on a computer screen is composed of three colors: red, green, and blue (RGB). Our software analyzes the intensity of each RGB component in a specific area chosen by the user. To test our software, we evaluated the color level of the irises of a subject, which became darker as a side effect of Xalatan (latanoprost; Pharmacia Corporation, Peapack, New Jersey) eyedrops.


RESULTS
We successfully expressed the level of the color of the iris by number.


CONCLUSIONS
This software measures the color of a lesion and thereby provides an objective evaluation of color. The software we developed is downloadable, without cost, from http://www.isao.com.
Otaka
Isao
I
Department of Ophthalmology, Shizuoka Red Cross Hospital, Shizuoka, Japan. otaka@isao.com
Kumagai
Kenjiro
K
Inagaki
Yoko
Y
Shimoyama
Masaru
M
Saegusa
Katsuyuki
K
Hara
Takeshi
T
D000959:Antihypertensive Agents / Q000009:adverse effects*; D005127:Eye Color; D006801:Humans; D007498:Iris / Q000187:drug effects / Q000473:pathology*; D007499:Iris Diseases / Q000139:chemically induced / Q000175:diagnosis*; D000077338:Latanoprost; D010859:Pigmentation Disorders / Q000139:chemically induced / Q000175:diagnosis*; D011461:Prostaglandins F, Synthetic / Q000009:adverse effects*; D012985:Software Design
D000959:Antihypertensive Agents; D011461:Prostaglandins F, Synthetic; D000077338:Latanoprost