A method for treating an eye condition of a user using at least one light source, the at least one light source having an output which is adjustable in at least one of spectrum shape, intensity, or duration, the method comprising: (a) obtaining information relating to an eye condition of the user； (b) determining a dose of light to treat the eye condition, the dose including one or more of a particular spectrum shape, a particular intensity, or a particular duration； and (c) causing the at least one light source to adjust the output to deliver the dose.
