Macular pigment optical density

Biomarker

13 papers study it13 more mention it19 findings

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  • Human trial3
  • Humans10

Interventions

7

Centella asiatica

upin humans1

1 study
  1. Centella asiatica increases macular pigment optical density in humans (0.04 ± 0.03 vs. −0.01 ± 0.02).

    “From baseline to Day 180, the change in average MPOD remained significantly greater in the CA-HE50 group than in the placebo group (0.04 ± 0.03 vs. −0.01 ± 0.02; p < 0.0001).”

    Human trialsix monthsn = 80

    Effects of Long-Term Supplementation with Centella asiatica (L.) Urb. Extract (CA-HE50) on Macular Pigment Optical Density: A Randomized, Double-Blind, Placebo-Controlled Trial

    Nutrients

  2. Centella asiatica increases macular pigment optical density in humans (p < 0.001).

    “supplementation with CA-HE50 resulted in a statistically significant increase in MPOD compared to the placebo in the right eye, left eye, and the average of both eyes (all p < 0.001).”

    Human trialbaseline MPOD between 0.2 and 0.4CA-HE50macula300 mg/day6 monthsn = 80

    Effects of Long-Term Supplementation with Centella asiatica (L.) Urb. Extract (CA-HE50) on Macular Pigment Optical Density: A Randomized, Double-Blind, Placebo-Controlled Trial

    Nutrients

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Smoking

downin humans1

1 study
  1. Smoking decreases macular pigment optical density in humans.

    “Smoking, obesity, poor dietary lutein intake, light iris color, and hyperlipidemia were associated with low MPOD.”

    Humans

    Evaluation of the macula pigment optical density by a psychophysical test in dry age-related macular degeneration

    European journal of ophthalmology

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Lutein

upin humans1

1 study
  1. Lutein increases macular pigment optical density in humans (3.69 ± 1.82 to 5.02 ± 1.35 dB).

    “Average MPOD values in the AMD group were; 3.69 ± 1.82 (baseline), 4.74 ± 1.29 (3rd month), 4.99 ± 1.27 (6th month), and 5.02 ± 1.35 (9th month) dB, respectively.”

    Human trialin dry AMD patients9 months

    Evaluation of the macula pigment optical density by a psychophysical test in dry age-related macular degeneration

    European journal of ophthalmology

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Mediterranean diet

upin humans1

1 study
  1. Mediterranean diet increases macular pigment optical density in humans (0.52 ± 0.14 vs. 0.34 ± 0.18).

    “higher adherence was found in the older women in comparison with the younger women (OW 9.23 ± 2.50 vs. YW 7.70 ± 2.08, p < 0.01), with higher MPOD values (OW (0.52 ± 0.14) vs. (YW (0.34 ± 0.18)”

    Humanscross-sectional observational studymacular pigmentfemales

    Effect of Exposure to Blue Light from Electronic Devices and the Mediterranean Diet on Macular Pigment

    Journal of clinical medicine

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Blue light exposure

downin humans1

1 study
  1. Blue light exposure decreases macular pigment optical density in humans (0.37 ± 0.14 vs. 0.50 ± 0.14, p < 0.01).

    “Higher MPOD values are observed with decreasing exposure time to electronic devices with LED lighting screens”

    Humanscross-sectional observational studymacular pigmentfemales

    Effect of Exposure to Blue Light from Electronic Devices and the Mediterranean Diet on Macular Pigment

    Journal of clinical medicine

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Grapes

upin humans1

1 study
  1. Grapes increase macular pigment optical density in humans (week 0: 0.56 ± 0.04 D.U.; week 16: 0.61 ± 0.04 D.U., p < 0.01).

    “A significant time effect (p = 0.007) was observed for MPOD, and this is largely attributed to the improvement in the MPOD for the intervention group”

    Human trialfreeze-dried table grape powder46 g day−116 weekn = 34

    Impacts of regular consumption of grapes on macular pigment accumulation in Singapore older adults: a randomized controlled trial

    Food & function

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Lutein + zeaxanthin

upin humans1

1 study
  1. Lutein + zeaxanthin increases macular pigment optical density in humans.

    “The supplement group’s MPOD was significantly greater than the control group’s MPOD following the intervention [t(42)=2.44; p=.019], despite the two groups showing comparable MPOD at baseline (p >.05).”

    Human trial1 yearn = 44

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

    Journal of the International Neuropsychological Society : JINS

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Upstream

2

Age-related macular degeneration

downin humans1

1 study
  1. Age-related macular degeneration decreases macular pigment optical density in humans (0.47 ± 0.16 vs 0.35 ± 0.22, p < 0.001).

    “The overall mean MPOD in healthy control group and early AMD group were found to be 0.47 ± 0.16 (N = 178; 317 eyes) and 0.35 ± 0.22 (N = 36; 38 eyes) at 1° eccentricity respectively”

    Humansat 1° eccentricityn = 214

    Association of macular pigment optical density with plasma macular carotenoids levels and serum lipids in South Indian healthy volunteers and patients with early age-related macular degeneration

    European journal of ophthalmology

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First-degree relative of age-related macular degeneration patient

downin humans1

1 study
  1. First-degree relative of age-related macular degeneration patient decreases macular pigment optical density in humans (0.43 ± 0.09 vs 0.47 ± 0.12, p = 0.048).

    “macular pigment optical density values of Group 1 and Group 2 were 0.43 ± 0.09 and 0.47 ± 0.12 (p = 0.048)”

    Humansfirst-degree relatives of age-related macular degeneration patients vs healthy controlseye

    Macular Pigment Optical Density in First Degree Relatives of Age-Related Macular Degeneration Patients

    Current eye research

Associations

8

Primary open-angle glaucoma

downin humans1

1 study
  1. Macular pigment optical density lowers the risk of primary open-angle glaucoma in humans (P-trend = 0.01).

    “Compared with MPOD quartile 1, odds for POAG were lower for women in quartiles 2-4 (P-trend = 0.01).”

    Humansfemalesn = 426

    Low Macular Pigment Optical Density Is Associated with Manifest Primary Open-Angle Glaucoma in Older Women

    Current developments in nutrition

  2. Primary open-angle glaucoma is associated with macular pigment optical density in humans (-25%, 0.40 vs 0.53 ODU, P = 0.01).

    “Glaucomatous eyes had 25% lower MPOD compared to nonglaucomatous eyes [mean (SE): 0.40 (0.05) compared with 0.53 (0.01)] optical density units (ODU), respectively (P = 0.01).”

    Humansmanifest primary open-angle glaucoma vs nonglaucomatousmaculafemalesn = 426

    Low Macular Pigment Optical Density Is Associated with Manifest Primary Open-Angle Glaucoma in Older Women

    Current developments in nutrition

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Dry age-related macular degeneration

downin humans1

1 study
  1. Dry age-related macular degeneration is associated with macular pigment optical density in humans (3.69 ± 1.82 vs 4.97 ± 1.27 dB).

    “At the baseline, the MPOD of the AMD group was significantly lower than the control group.”

    Humansat baseline

    Evaluation of the macula pigment optical density by a psychophysical test in dry age-related macular degeneration

    European journal of ophthalmology

More on Dry age-related macular degeneration

High-density lipoprotein cholesterol

downin humans1

1 study
  1. High-density lipoprotein cholesterol is associated with macular pigment optical density in humans.

    “Serum HDL showed a strong negative association with MPOD and other lipids showed a very weak association.”

    Humansn = 214

    Association of macular pigment optical density with plasma macular carotenoids levels and serum lipids in South Indian healthy volunteers and patients with early age-related macular degeneration

    European journal of ophthalmology

More on High-density lipoprotein cholesterol

Lutein

upin humans1

1 study
  1. Lutein is associated with macular pigment optical density in humans.

    “A strong positive association was found between plasma L, Z and L + Z and MPOD.”

    Humansn = 214

    Association of macular pigment optical density with plasma macular carotenoids levels and serum lipids in South Indian healthy volunteers and patients with early age-related macular degeneration

    European journal of ophthalmology

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Retinal arteriole caliber

upin humans1

1 study
  1. Macular pigment optical density is associated with retinal arteriole caliber in humans (149.8 ± 2.6 μm vs. 135.8 ± 3.0 μm).

    “Most associations were strengthened in women with stable MPOD over 15 years, including between MPOD and arteriole caliber (149.8 ± 2.6 μm vs.135.8 ± 3.0 μm; P = 0.001).”

    Humansstable MPOD over 15 yearsretinafemalesn = 106

    Serum and Macular Carotenoids in Relation to Retinal Vessel Caliber Fifteen Years Later, in the Second Carotenoids in Age-Related Eye Disease Study

    Investigative ophthalmology & visual science

Retinal venule caliber

upin humans1

1 study
  1. Macular pigment optical density is associated with retinal venule caliber in humans (213.3 ± 2.1 μm vs. 206.0 ± 2.1 μm).

    “MPOD was also associated with wider vessel calibers (tertile 3 vs. 1), but the trend was only statistically significant for venules (144.4 ± 1.4 μm vs. 141.1 ± 1.4 μm [P = 0.12] and 213.3 ± 2.1 μm vs. 206.0 ± 2.1 μm [P = 0.02], respectively.)”

    Humansretinafemalesn = 390

    Serum and Macular Carotenoids in Relation to Retinal Vessel Caliber Fifteen Years Later, in the Second Carotenoids in Age-Related Eye Disease Study

    Investigative ophthalmology & visual science

Intraindividual variability of attentional control

downin humans1

1 study
  1. Macular pigment optical density is associated with intraindividual variability of attentional control in humans.

    “younger individuals and individuals with higher MPOD showed less intraindividual variability.”

    Humansn = 60

    The Role of Retinal Carotenoids and Age on Neuroelectric Indices of Attentional Control among Early to Middle-Aged Adults

    Frontiers in aging neuroscience

P3 amplitude during attentional inhibition

upin humans1

1 study
  1. Macular pigment optical density is associated with P3 amplitude during attentional inhibition in humans.

    “older subjects with higher MPOD levels displayed P3 indices similar to their younger adult counterparts in amplitude.”

    Humansn = 60

    The Role of Retinal Carotenoids and Age on Neuroelectric Indices of Attentional Control among Early to Middle-Aged Adults

    Frontiers in aging neuroscience

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