Arch Otolaryngol 1979;105:654655. 5 Accommodative Intraocular Lenses In general, IOLs proposed forx restore accommo- dation have been designed to do so by enabling a forward movement of the optic component during the efforts for accommodation. Mild zinc deficiency can impair weight gain and can prevent children from growing taller. Similar techniques have also been used to determine the local spatial variation in mosquito-vectored diseases [21,46,47,59].