Light used as a therapeutic treatment of skin, for hair removal, or for tattoo removal can be very bright and can therefore damage the eyes of people in the vicinity of such light. The invention provides eye protection apparatus for substantially stopping light, emitted from a light-tool, reaching the eyes of people in the vicinity of the light-tool 70, the apparatus comprising a shutter 17 arranged to open and close, shutter control means 18 for receiving a first signal generated by a signal generating means 30, for closing the shutter in response to receipt of the first signal, and for transmitting a second signal to indicate that the shutter is closed and/or that the shutter control means has received the first signal, and a light control means for controlling the light emitted by the light-tool 70, wherein the light control means is configured to permit light to be emitted from the light-tool 70 after receipt of the second signal.
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