Light transmittance of the human cornea from 320 to 700 nm for different ages
Abstract
In vivo relative corneal transmittance was estimated using Tan's [(1971) Vision in the ultraviolet, thesis, University of Utrecht, The Netherlands] data on scotopic spectral sensitivity in aphakic eyes. This was combined with in vitro corneal transmittance data and in vivo light scattering data to arrive at absolute data. All data combined, the following function (no age dependence is found) resulted: log(transmittance) = -0.016-c*lambda-4 (lambda = wavelength in nm, lambda > 310 nm). c = 85*10(8) nm4 for direct transmittance (acceptance angle of the order of 1 deg) and c = 21*10(8) nm4 for total transmittance (acceptance angle close to 180 deg).
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The energy scattered by each fibril when unpolarised light falls on it is inversely proportional to the third or fourth power of the wavelength of the incoming light.
“We should point out that the energy scattered by each fibril when unpolarised light falls on it is inversely proportional to the third (Maurice, 1962) or fourth (Van den Berg and Tan, 1994) power of the wavelength of the incoming light.”
From Corneal structure and transparency (2015) · cites this paper as Van den Berg and Tan, 1994
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Corneal structure and transparency
Meek, K. M., & Knupp, C. (2015) · Progress in Retinal and Eye Research · doi:10.1016/j.preteyeres.2015.07.001 · Cited by 853 · see citing works
- Authors
- Van Den Berg, T. J. T. P., & Tan, K. E. W. P.
- Affiliations
- Vrije Universiteit Amsterdam (NL)
- Venue
- Vision Research
- Publisher
- Elsevier BV
- Published
- 1994-06
- Volume
- 34
- Issue
- 11
- Pages
- 1453-1456
- ISSN
- 0042-6989 (ISSN-L)
- OpenAlex
- W2047961400
- Cited by
- 122
- References
- 0
- Citations by year
- 2026: 3 · 2025: 5 · 2024: 5 · 2023: 3 · 2022: 2 · 2021: 7 · 2020: 4 · 2019: 2 · 2017: 7 · 2016: 4 · 2015: 5 · 2014: 3 · 2013: 7 · 2012: 5
- FWCI
- 2.64
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Vision Research (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Epidemiology › Ophthalmology and Visual Impairment Studies
- Health Sciences › Medicine › Ophthalmology › Ocular and Laser Science Research
- Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
- Keywords
- human cornea, age dependence, ultraviolet radiation, aphakia, light scattering, wavelength dependence, transmittance function
- MeSH terms
- Adolescent, Adult, Aged, Aged, 80 and over, Aging, Cornea, Humans, Light, Mathematics, Middle Aged, Models, Biological, Scattering, Radiation, Spectrophotometry, Ultraviolet Rays
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