Akuffo, K O <br/><br/>
Sustained supplementation and monitored response with differing carotenoid formulations in early age-related macular degeneration.  [electronic resource] 

 -  Eye (London, England)  Jul 2015 
 - 902-12 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1476-5454 
<br/><br/><label>Standard No.: </label>10.1038/eye.2015.64  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Administration, Oral<br/>Carotenoids--administration & dosage<br/>Chromatography, High Pressure Liquid<br/>Contrast Sensitivity--drug effects<br/>Dietary Supplements<br/>Drug Compounding<br/>Humans<br/>Lutein--blood<br/>Macular Degeneration--drug therapy<br/>Macular Pigment--blood<br/>Photometry--methods<br/>Single-Blind Method<br/>Visual Acuity--drug effects<br/>Zeaxanthins--blood