Measurement Methods
Cross-source consensus on Measurement Methods from 1 sources and 5 claims.
1 sources · 5 claims
Other
Highlighted claims
- Best-corrected visual acuity is measured in each eye using a logMAR ETDRS tumbling E chart at 4 metres. — Effect of carotenoids supplementation on visual function in Chinese adults free of retinal disease: protocol for the CSV double-blind, randomised, placebo-controlled trial
- Skin carotenoids are measured using the Veggie Meter with white LED light and reflection spectroscopy. — Effect of carotenoids supplementation on visual function in Chinese adults free of retinal disease: protocol for the CSV double-blind, randomised, placebo-controlled trial
- Fundus photography uses 45-degree macula-centred imaging with a Canon CR-2 digital retinal camera. — Effect of carotenoids supplementation on visual function in Chinese adults free of retinal disease: protocol for the CSV double-blind, randomised, placebo-controlled trial
- Optical coherence tomography uses the Heidelberg Spectralis HRA+OCT with macular volume and high-resolution cross scans. — Effect of carotenoids supplementation on visual function in Chinese adults free of retinal disease: protocol for the CSV double-blind, randomised, placebo-controlled trial
- Blood testing includes a complete blood count and biochemistry panel from non-fasting peripheral venous blood. — Effect of carotenoids supplementation on visual function in Chinese adults free of retinal disease: protocol for the CSV double-blind, randomised, placebo-controlled trial