Dennis L Gierhart
Overview
Explore the profile of Dennis L Gierhart including associated specialties, affiliations and a list of published articles.
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Articles
11
Citations
206
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Recent Articles
1.
Davey P, Rosen R, Park J, Spors F, Gierhart D
Diagnostics (Basel)
. 2025 Feb;
15(4).
PMID: 40002582
Macular pigment optical density (MPOD) is an important clinical biomarker for ocular conditions like macular degeneration, diabetic eye disease, and digital eye strain. Additionally, its measurements can be essential in...
2.
Lem D, Gierhart D, Davey P
Nutrients
. 2022 Oct;
14(19).
PMID: 36235656
Digital eye strain is a complex, multifactorial condition that can be caused by excessive screen time exposure to various electronic devices such as smartphones, tablets, e-readers, and computers. Current literature...
3.
Kowluru R, Zhong Q, Santos J, Thandampallayam M, Putt D, Gierhart D
Nutr Metab (Lond)
. 2022 Jan;
19(1):1.
PMID: 34986858
No abstract available.
4.
Davey P, Rosen R, Gierhart D
Nutrients
. 2021 Aug;
13(8).
PMID: 34444721
The study was designed to: (1) Analyze and create protocols of obtaining measurements using the Macular Pigment Reflectometry (MPR). (2) To assess the agreement of MPOD measurements obtained using the...
5.
Lem D, Davey P, Gierhart D, Rosen R
Antioxidants (Basel)
. 2021 Aug;
10(8).
PMID: 34439503
Age-related macular degeneration (AMD) remains a leading cause of modifiable vision loss in older adults. Chronic oxidative injury and compromised antioxidant defenses represent essential drivers in the development of retinal...
6.
Lem D, Gierhart D, Davey P
Nutrients
. 2021 Aug;
13(7).
PMID: 34371951
Diabetic retinopathy, which was primarily regarded as a microvascular disease, is the leading cause of irreversible blindness worldwide. With obesity at epidemic proportions, diabetes-related ocular problems are exponentially increasing in...
7.
Lem D, Gierhart D, Davey P
Nutrients
. 2021 Jul;
13(6).
PMID: 34204051
Primary open-angle glaucoma (POAG) remains a leading cause of irreversible blindness globally. Recent evidence further substantiates sustained oxidative stress, and compromised antioxidant defenses are key drivers in the onset of...
8.
Sanabria J, Bass J, Spors F, Gierhart D, Davey P
J Vis Exp
. 2020 Feb;
(155).
PMID: 32065154
The macular pigment reflectometer (MPR) objectively measures the overall macular pigment optical density (MPOD) and further provides the lutein optical density (L-OD) and zeaxanthin optical density (Z-OD) in the central...
9.
Olk R, Peralta E, Gierhart D, Brown G, Brown M
Int J Retina Vitreous
. 2016 Nov;
1:22.
PMID: 27847615
Background: Reports of triple combination therapy for neovascular age-related macular degeneration (AMD) suggest a benefit, as do reports for zeaxanthin. An interventional comparative study was thus undertaken to evaluate the...
10.
Xu X, Hu D, Iacob C, Jordan A, Gandhi S, Gierhart D, et al.
J Ophthalmol
. 2015 Dec;
2015:392305.
PMID: 26682063
Uveal melanoma cells were inoculated into the choroid of nude mice and treated with or without intraocular injection of zeaxanthin. After 21 days, mice were sacrificed and the eyes enucleated....