[1] VisionQuest Biomed LLC, Albuquerque, NM 87106 USA
[2] Univ New Mexico, Dept Elect & Comp Engn, Albuquerque, NM 87131 USA
[3] St Marys Univ, Dept Engn, San Antonio, TX USA
[4] Univ Iowa, Dept Ophthalmol & Visual Sci, Iowa City, IA USA
[5] Iowa City VA Hlth Care Syst, Iowa City, IA USA
[6] Iowa City Ctr Prevent & Treatment Visual Loss, Iowa City, IA USA