Cordless LED headlight and control thereof

A magnification eyeglass system comprising:

• a frame comprising:
• a bridge portion substantially centered in the frame;
• a pair of lenses attached to the frame on either side of the bridge portion, a telescopic lens incorporated within a corresponding one of said lenses;
• a headlight assembly attached to the bridge portion, said headlight assembly comprising:
• a housing having incorporated therein at least one lighting element, and
• a battery assembly, attached to the housing, comprising:
• a battery pod containing a battery element therein, said battery element configured to output a voltage;
• a lower assembly, removably attachable to the battery pod, the lower assembly comprising:
• a sensing element configured to:
• transmit an infra-red (IR) signal at a desired angle with respect to a longitudinal axis of the battery pod;
• detect a reflection of the transmitted IR signal;
• and
• an electronic circuit configured to:
• receive an indication of the detected reflection of the transmitted IR signal;
• and
• control an application of the battery voltage to the at least one lighting element based on the received indication.