Abstract: An ophthalmic treatment apparatus has a main body and a light source unit. The main body has illumination means for illuminating illumination light to an eye to be examined, and observation means for observing reflected light from the eye to be examined. The light source unit has a light source for generating treatment beam having a predetermined wavelength, light-guiding means for guiding the treatment beam generated from the light source to a desired region of the eye to be examined and for irradiating the eye, and a casing. The light source and the light-guiding means are integrally built in the casing. The treatment beam is made incident from the light source directly to the light-guiding means.

Abstract: A light source system, including light emitting diodes with different light emitting colors arranged at a predetermined ratio of quantities of diodes, the ratio of quantities of diodes is determined based on light emitting status for each diode of each color so that a projected light has chromaticity of a desired color, and total quantity of the light emitting diodes is set so as to satisfy the ratio of quantities of diodes.

Abstract: A light source system, comprising light emitting diodes with different light emitting colors arranged at a predetermined ratio of quantities of diodes, the ratio of quantities of diodes is determined based on light emitting status for each diode of each color so that a projected light has chromaticity of a desired color, and total quantity of the light emitting diodes is set so as to satisfy the ratio of quantities of diodes.