http://www.maculardegeneration.org/lvarticle3.htm

http://www.magnifyingglasses.co.uk/acatalog/
Catalogue en ligne / On line Catalog

http://www.southwestlowvision.com/magnifiers.htm

http://www.optelec.com

http//www.eschenbach.com

http//www.pulsedata.com

http://www.veegee.com/vg003.html
Microscopes

http:www.ameriphone.com
Produits de la gamme / Ameriphone products

http://www.redwoodhearing.com/pages/c_phones.htm
Téléphones à amplificateurs - Amplified phones

http://www.eyeassociates.com

http://www.compukiss.com/vc/vc.html