The Quantitative Retina Grid system requires a computer with a USB interface that runs Microsoft 2000, XP, Vista, or Win 7 or later.
Please complete the form below and submit it, being sure to mark the box that states that you agree with the terms of sale. You will have the opportunity to pay online with Paypal or any major credit card by completing the registration form on this page and pressing 'submit'.
You may also mail a copy of the completed form with a check for $29.99 + $3 S&H payable to DXDT Engineering and Research to:
Dr. Christopher Hekimian
c/o DXDT Engineering and Research
18936 Porterfield Way
Germantown, MD 20874, USA
(International customers please contact us for applicable shipping charges).
You will receive a pre-installed USB drive containing the system that will be licensed for use by one individual and an instruction sheet.
Help with the use of the program is available through this website or at the phone number
Thank you for purchasing dxdt's Quantitative Retina Test Grid.