Abstract: The present disclosure pertains to compositions and methods for the treatment and/or prevention of one or more of obesity, diabetes, metabolic syndrome, Alzheimer's disease, Chronic Fatigue Syndrome (CFS), aging, fibromyalgia, dyslipidemia, hypercholesterolemia, dyslipidemia, Parkinson's disease, migraines, Traumatic Brain Injury (TBI), Attention Deficit Disorder (ADD)/Attention Deficit Hyperactivity Disorder (ADHD), Cancer, Cardiovascular Disease (CVD)/Coronary Artery Disease (CAD), Chronic Pain, neuralgia, depression, amyotrophic lateral sclerosis (ALS), and epilepsy, Insufficient Cellular Energy (ICE) and mitochondrial dysfunction. The present disclosure also pertains to methods for increasing mental and/or physical performance levels and/or decreasing exertion during exercise in a subject by the administration of C5 ketones.

Abstract: A segmented delta toric lens is described. The segmented delta toric lens includes an optical area, a circumference area surrounding the optical area and a segmented delta protrusion formed on the circumference area. The segmented delta protrusion is located apart from the optical area and the edge of the circumference area. The segmented delta toric lens can further include a mark to indicate a direction of the segmented delta toric lens.

Abstract: A segmented delta toric lens is described. The segmented delta toric lens includes an optical area, a circumference area surrounding the optical area and a segmented delta protrusion formed on the circumference area. The segmented delta protrusion is located apart from the optical area and the edge of the circumference area. The segmented delta toric lens can further include a mark to indicate a direction of the segmented delta toric lens.