The S.M.C. Health Department, in ihe Municipal Gazette, announces, "We would certainly advise the wearing of dark or tinted glasses. There is no doubt that very decided systemic disturbances, headaches, and other symptoms can be caused by the rays of the sun impinging on the retina, und that these aggravate the discomforts caused by heat and promote Some people's eyes require special glasses which absorb the harmful elements of. glare. In the majority of such cases, however, the sensitiveness to light is originally caused by eyestrain.
Perhaps unbeknown to the sufferer his eyes are slightly defective. The constant effort to overcome this defect weakens the eyes' resistance to glare. Many such cases are enormously benefited by wearing prescription glasses which correct the eyestrain as well as the glare.
Consult Expert it is unwise to wear ordinary coloured glass such as are to be found in cheap sunglasses bought indiscriminately. The danger is that they may only make the eyes still more sensitive. For ihis reasons choice of glasses should always be left to the expert.
Light transmitted through ordinary coloured glass is highly selective and thus creates visual disturbances and injury to delicate eye muscles.
In addition to being vitally necessüry to protection against sunstroke, properly prescribed glare-glasses also provide feeling of coolness and guard against dust, germs and insects.
Text read from the printed page and cleaned; old type leaves the occasional error.