Apparatus is provided comprising (i) at least two cushions (28) , each defining a respective skin- contacting surface (22), configured to be placed on a respective skin site (48) that is superficial to a lacrimal drainage vessel of the subject (ii) a mount (30), coupled to the cushions , and configured (a) to be placed on a portion of a face of the subject that does not include the skin sites , and (b) to conform to a contour of the portion of the face and (iii) an adhesive layer (26) , disposed on the mount and not disposed on the skin -contacting surfaces , and configured (a) to adhere the mount to the portion of the face , and (b) when adhered to the portion of the face , to cause the mount to provide a pressing force that presses the skin- contacting surface of each cushion against the respective skin site thereof. Other embodiments are described.
