Apparatus for alleviation of symptoms by application of tinted light

[Subject] The method corresponding to the equipment for diagnosing and easing the condition of the physiological insufficiency induced visually and/or pathological abnormalities and this is offered. [Solution means] Two or more narrow-band light sources are combined, and the lamp in which color control is possible is constituted. While doing the work of a specific subject reading or writing by the method of adjusting a setup of this lamp, the lighting optimal for this subject is found out. When viewing-and-listening supportive devices, such as coloring glasses, are offered, in order to simulate the vision stimulus to which the subject will be exposed and which is predicted, the optimal selection is made from the database of such a supportive device, or a new prescription is prescribed by by using this lamp. In particular, the condition of vision dyslexia, macular degeneration, and the migraine induced visually is eased.