Skip to main content
. Author manuscript; available in PMC: 2011 Aug 15.
Published in final edited form as: Clin Exp Optom. 2008 Mar;91(2):166–176. doi: 10.1111/j.1444-0938.2007.00224.x

Table 4.

The numbers and proportions of questionnaire respondents who have tried or used nutritional supplements, non-traditional treatments or CAM

Have you ever tried or used …? No. Proportion (%)
Any nutritional supplement 72 75.0
Lutein 45 46.9
DHA 22 22.9
Bilberry 31 32.3
Soy flavonoids 5 5.2
Vitamin A palmitate 35 36.5
Microcurrent stimulation 5 5.2
Rheotherapy 0 0.0
Ozone treatments 2 2.1
Hyperbaric oxygen treatments 0 0.0
Russian surgery 1 1.0
Cuban surgery 2 2.1
Any of the nine CAM areas 91 94.8
Meditation 45 46.9
Mind-body therapies 17 16.7
Yoga 30 31.3
Movement therapies 16 15.6
Acupuncture 21 20.8
Energy therapies 19 18.8
Massage therapies 51 53.1
Spirituality/religion 71 74.0
Aromatherapies/herbal therapy 40 41.7