Billy R. Hammond

Macular pigment density is reduced in obese subjects.

The age-related eye disease study (AREDS).

Critical flicker fusion frequency: relation to resting systolic blood pressure.

Dietary lutein and zeaxanthin: possible effects on visual function.

Assessment of the validity of in vivo methods of measuring human macular pigment optical density.

CFF thresholds: relation to macular pigment optical density.

Resonance Raman spectroscopic measurement of carotenoids in the skin and retina.

Scotopic sensitivity in schizophrenia.

Compensation for light loss resulting from filtering by macular pigment: relation to the S-cone pathway.

Compensation for light loss due to filtering by macular pigment: relation to hue cancellation.

The glare hypothesis of macular pigment function.

Macular pigment and visual performance under glare conditions.

Possible role for dietary lutein and zeaxanthin in visual development.

The Effect of the AcrySof natural lens on glare disability and photostress.

Possible influences of lutein and zeaxanthin on the developing retina.

The effect of macular pigment on heterochromatic luminance contrast.

Contralateral comparison of blue-filtering and non-blue-filtering intraocular lenses: glare disability, heterochromatic contrast, and photostress recovery.

A practical method of measuring the human 
temporal contrast sensitivity function.

The relation between serum lipids and lutein and zeaxanthin in the serum and retina: results from cross-sectional, case-control and case study designs.

The influence of filtering by the macular carotenoids on contrast sensitivity measured under simulated blue haze conditions.

Influence of the dietary carotenoids lutein and zeaxanthin on visual performance: application to baseball.

Glare disability, photostress recovery, and chromatic contrast: relation to macular pigment and serum lutein and zeaxanthin.

The relationship between lutein and zeaxanthin status and body fat.

Carotenoids.

A role for the macular carotenoids in visual motor response.

The visual effects of intraocular colored filters.

Relationships between macular pigment optical density and cognitive function in unimpaired and mildly cognitively impaired older adults.

Lutein and zeaxanthin status and auditory thresholds in a sample of young healthy adults.

Visibility through atmospheric haze and its relation to macular pigment.

Oxidative photodegradation of ocular tissues: beneficial effects of filtering and exogenous antioxidants.

A double-blind, placebo-controlled study on the effects of lutein and zeaxanthin on neural processing speed and efficiency.

A double-blind, placebo-controlled study on the effects of lutein and zeaxanthin on photostress recovery, glare disability, and chromatic contrast.

A randomized placebo-controlled study on the effects of lutein and zeaxanthin on visual processing speed in young healthy subjects.

Attenuating Photostress and Glare Disability in Pseudophakic Patients through the Addition of a Short-Wave Absorbing Filter.

Lutein and cognition in children.

Photopigment self-screening and the determination of macular pigment absorbance using heterochromatic flicker photometry.

Critical Flicker Fusion Predicts Executive Function in Younger and Older Adults.

Stimulus edge effects in the measurement of macular pigment using heterochromatic flicker photometry.

Oral Nutrient Supplementation and Cognitive Function.

Perspective: A Critical Look at the Ancillary Age-Related Eye Disease Study 2: Nutrition and Cognitive Function Results in Older Individuals with Age-Related Macular Degeneration.

The effects of photochromic lenses on visual performance.

Relationship of Lutein and Zeaxanthin Levels to Neurocognitive Functioning: An fMRI Study of Older Adults.

Macular Carotenoids, Aerobic Fitness, and Central Adiposity Are Associated Differentially with Hippocampal-Dependent Relational Memory in Preadolescent Children.

Reliability of Heterochromatic Flicker Photometry in Measuring Macular Pigment Optical Density among Preadolescent Children.

Dietary Carotenoids and the Nervous System.

From neuro-pigments to neural efficiency: The relationship between retinal carotenoids and behavioral and neuroelectric indices of cognitive control in childhood.

Macular pigment optical density is positively associated with academic performance among preadolescent children.

Lutein and Zeaxanthin Influence Brain Function in Older Adults: A Randomized Controlled Trial.

Developmental trends in infant temporal processing speed.

Effects of Lutein/Zeaxanthin Supplementation on the Cognitive Function of Community Dwelling Older Adults: A Randomized, Double-Masked, Placebo-Controlled Trial.

The Macular Carotenoids Lutein and Zeaxanthin Are Related to Increased Bone Density in Young Healthy Adults.

The effects of intraocular lens implant type on mood: a response to Zambrowski et al.

Effects of a Lutein and Zeaxanthin Intervention on Cognitive Function: A Randomized, Double-Masked, Placebo-Controlled Trial of Younger Healthy Adults.

Relation of Retinal and Serum Lutein and Zeaxanthin to White Matter Integrity in Older Adults: A Diffusion Tensor Imaging Study.

The Macular Carotenoids are Associated with Cognitive Function in Preadolescent Children.

Lutein and Zeaxanthin Are Positively Associated with Visual-Spatial Functioning in Older Adults: An fMRI Study.

Individual variation in the transmission of UVB radiation in the young adult eye.

The effects of lutein and zeaxanthin on resting state functional connectivity in older Caucasian adults: a randomized controlled trial.

Neural Activation During Visual Attention Differs in Individuals with High versus Low Macular Pigment Density.

Intelligence moderates the relationship between age and inter-connectivity of resting state networks in older adults.

Dietary Carotenoids Lutein and Zeaxanthin Change Brain Activation in Older Adult Participants: A Randomized, Double-Masked, Placebo-Controlled Trial.

A contra-lateral comparison of the visual effects of a photochromic vs. non-photochromic contact lens.

The Effects of Blue Light-Filtering Intraocular Lenses on the Protection and Function of the Visual System.

Temporal vision is related to cognitive function in preadolescent children.

The effects of light scatter when using a photochromic vs. non-photochromic contact lens.

The Effect of a Photochromic Contact Lens on Visual Function Indoors: A Randomized, Controlled Trial.

Individual differences in visual function.