Natures Hand Holistic Nutrition And Iridology is owned and operated by Patricia De Salazar, DHN, BASc(Nutr), MDN, Dip.H. Ir., RNCP/ROHP. Patricia offers a Holistic Nutrition consultation practice that through Nutritional Assessments will determine the unique nutritional deficiencies of your body , and through Iridology Analysis will present you with a complete picture of your health status.ing Natures Hand Holistic NutritionNatures Hand Holistic Nutrition and Iridology can be more... See more text