Light Exposure and Macular Pigment Optical Density

2003 ◽  
Vol 44 (1) ◽  
pp. 306 ◽  
Author(s):  
Adam J. Wenzel ◽  
Kenneth Fuld ◽  
James M. Stringham
Keyword(s):  
Optical Density ◽  
Light Exposure ◽  
Macular Pigment ◽  
Macular Pigment Optical Density

scholarly journals The potential retinal hazards of curing light use for dentists

2021 ◽  
Vol 2 (2) ◽  
pp. 77-84
Author(s):  
Nicole M Putnam ◽  
Sara Thomas ◽  
Grace Liao ◽  
Emily Bennett ◽  
Anne Breen ◽  
...  
Keyword(s):  
Blue Light ◽  
Optical Density ◽  
Light Exposure ◽  
Retinal Pigment Epithelial Cell ◽  
Retinal Pigment ◽  
Macular Pigment ◽  
Control Group ◽  
Macular Pigment Optical Density ◽  
Curing Light ◽  
Ocular Health

Background: Many recent studies have focused on the potential hazards of blue light exposure to ocular health. One group with a unique blue light exposure risk is dentists, who use curing lights that emit intense blue light during restorative procedures. During these procedures, dentists often experience brief ocular exposure to these lights. The purpose of the present study was to explore whether such exposures may have an effect on the vision and ocular health of dentists. Methods: A group of 12 dentists who had experienced curing light exposure over a period of 10 or more years were compared to a group of eight control subjects with no such exposure. The subjects were tested for visual acuity and contrast sensitivity. Their retinas were examined using fundus imaging and optical coherence tomography. Macular pigment optical density was measured. The likelihood that brief blue light exposure could lead to ocular effects was further explored by subjecting a retinal pigment epithelial cell (RPE) line to such exposures. Results: Although no visual defects or ocular pathologies were found in either group, the dentist group differed from the control group in having increased macular thickness (P < 0.02), a higher incidence of macular vessel tortuosity (P < 0.05), and greater variance in their macular pigment optical density values (P < 0.01). RPE cells that received blue light exposure similar to those sustained by dentists demonstrated a change in physiology. Conclusions: Retinal changes were found in dentists, which, while not pathological in themselves, are associated with some retinal pathologies. Further studies are necessary to determine whether these signs correlate with the degree of curing light exposure and to determine whether they eventually develop into pathological conditions.

The role of the macular pigment optical density measurement in the diagnosis of eye diseases

2016 ◽  
Vol 16 (4) ◽  
pp. 197-200
Author(s):  
E.N. Eskina ◽  
◽  
E.A. Egorov ◽  
A.V. Belogurova ◽  
А.А. Gvetadze ◽  
...  
Keyword(s):  
Optical Density ◽  
Density Measurement ◽  
Macular Pigment ◽  
Eye Diseases ◽  
Macular Pigment Optical Density ◽  
Optical Density Measurement

scholarly journals Macular Pigment Optical Density and Photoreceptor Outer Segment Length as Predisease Biomarkers for Age-Related Macular Degeneration

2020 ◽  
Vol 9 (5) ◽  
pp. 1347 ◽  
Author(s):  
Norihiro Nagai ◽  
Sakiko Minami ◽  
Misa Suzuki ◽  
Hajime Shinoda ◽  
Toshihide Kurihara ◽  
...  
Keyword(s):  
Macular Degeneration ◽  
Optical Density ◽  
Outer Segment ◽  
Macular Pigment ◽  
Age Related Macular Degeneration ◽  
Segment Length ◽  
Macular Pigment Optical Density ◽  
Photoreceptor Outer Segment ◽  
Age Related ◽  
Fellow Eyes

To explore predisease biomarkers, which may help screen for the risk of age-related macular degeneration (AMD) at very early stages, macular pigment optical density (MPOD) and photoreceptor outer segment (PROS) length were analyzed. Thirty late AMD fellow eyes, which are at high risk and represent the predisease condition of AMD, were evaluated and compared with 30 age-matched control eyes without retinal diseases; there was no early AMD involvement in the AMD fellow eyes. MPOD was measured using MPS2® (M.E. Technica Co. Ltd., Tokyo, Japan), and PROS length was measured based on optical coherence tomography images. MPOD levels and PROS length in the AMD fellow eyes were significantly lower and shorter, respectively, than in control eyes. MPOD and PROS length were positively correlated in control eyes (R = 0.386; p = 0.035) but not in AMD fellow eyes. Twenty (67%) AMD fellow eyes met the criteria of MPOD < 0.65 and/or PROS length < 35 μm, while only five (17%) control eyes did. After adjusting for age and sex, AMD fellow eyes more frequently satisfied the definition (p < 0.001; 95% confidence interval, 3.50–60.4; odds ratio, 14.6). The combination of MPOD and PROS length may be a useful biomarker for screening predisease AMD patients, although further studies are required in this regard.

scholarly journals Macular pigment optical density in central serous chorioretinopathy

2021 ◽  
Vol 13 ◽  
pp. 251584142199719
Author(s):  
Burcu Polat Gultekin ◽  
Esra Sahli
Keyword(s):  
Confidence Interval ◽  
Optical Density ◽  
Central Serous Chorioretinopathy ◽  
Choroidal Thickness ◽  
Retinal Thickness ◽  
Macular Pigment ◽  
Central Retinal Thickness ◽  
Macular Pigment Optical Density ◽  
Chronic Central Serous Chorioretinopathy ◽  
Acute Central Serous Chorioretinopathy

Purpose: The aim of our study was to evaluate the macular pigment optical density in patients with acute and chronic central serous chorioretinopathy and to describe the association between central retinal thickness and choroidal thickness with the macular pigment optical density. Materials and Methods: Eyes with acute central serous chorioretinopathy and chronic central serous chorioretinopathy (patients, who were diagnosed as having disease activity for 6 months) were included in this study. Macular pigment was measured using the heterochromatic flicker technique of the MPS II device for both eyes in patients with acute and chronic central serous chorioretinopathy and in control subjects. Results: Twenty-seven eyes with acute central serous chorioretinopathy, 23 eyes with chronic central serous chorioretinopathy, and 25 control eyes were enrolled. The mean macular pigment optical density in chronic central serous chorioretinopathy (0.480 ± 0.16 density unit (95% confidence interval: 0.390–0.570) was found to be significantly lower than in the control eyes (0.571 ± 0.128 density unit) (95% confidence interval: 0.480–0.670) ( p = 0.007). In correlation analysis, no significant association was detected between the central retinal thickness, choroidal thickness, and macular pigment optical density values in central serous chorioretinopathy group ( p = 0.31, p = 0.71). Conclusion: Macular pigment optical density levels were significantly lower in chronic central serous chorioretinopathy patients than in controls, possibly due to degeneration of the neurosensorial retina, as a result of the long-term persistence of subretinal fluid. There was not a significant correlation between choroidal thickness and macular pigment optical density levels in central serous chorioretinopathy group.

Macular pigment optical density in aging eye

2013 ◽  
Vol 251 (12) ◽  
pp. 2831-2832
Author(s):  
Lin Miao ◽  
Zhen-Yong Zhang ◽  
Zhi-Qiang Yu ◽  
Chong-Da Chen
Keyword(s):  
Optical Density ◽  
Macular Pigment ◽  
Macular Pigment Optical Density

scholarly journals Relationships of Macular Pigment Optical Density With Plasma Lutein, Zeaxanthin, and Diet in an Elderly Population: The Montrachet Study

2016 ◽  
Vol 57 (3) ◽  
pp. 1160 ◽  
Author(s):  
Seydou Alassane ◽  
Christine Binquet ◽  
Vanessa Cottet ◽  
Olivier Fleck ◽  
Niyazi Acar ◽  
...  
Keyword(s):  
Optical Density ◽  
Elderly Population ◽  
Macular Pigment ◽  
Macular Pigment Optical Density

Macular pigment optical density at four retinal loci during 120 days of lutein supplementation

2007 ◽  
Vol 27 (4) ◽  
pp. 329-335 ◽  
Author(s):  
Adam J. Wenzel ◽  
Joseph P. Sheehan ◽  
Catherine Gerweck ◽  
James M. Stringham ◽  
Kenneth Fuld ◽  
...  
Keyword(s):  
Optical Density ◽  
Macular Pigment ◽  
Macular Pigment Optical Density

Interocular agreement in melanin and macular pigment optical density

2007 ◽  
Vol 84 (5) ◽  
pp. 934-938 ◽  
Author(s):  
Martijn J. Kanis ◽  
Tos T.J.M. Berendschot ◽  
Dirk van Norren
Keyword(s):  
Optical Density ◽  
Macular Pigment ◽  
Macular Pigment Optical Density
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