Low Vision Aid Low Vision means vision which cannot be improved to an acceptable standard by refractive or surgical means. International Optique is all about "Excellence in vision". Let our wide range of international low vision aids (Merlin, Escenbach & more), from simple hand held magnifiers to CCTV’s, guide you in obtaining your maximum visual potential. Choose from electronic to manual devices. We have devices to suit any need, irrespective of the visual loss.