Kuwonongeka kwa macular ndizomwe zimayambitsa khungu m'maiko otukuka, koma kukulitsanso ma cell amunthu omwe adatayika chifukwa chamtunduwu chinali gawo la chithandizo chatsopano chomwe chidatengera mwayi wopita patsogolo kwa nanotechnology. Kukulitsanso ma cell a retina pamwambo wazinthu zopangidwa, zokhala ngati minofu, zidawonetsa kusintha kwakukulu pazinthu zomwe zidagwiritsidwa kale ntchito monga cellulose, ndipo asayansi akuyembekeza kuti apitiliza kuyesa njira yawo mwa akhungu kale.