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Peripheral Light Focusing by the Anterior Eye and the Ophthalmohelioses
Abstract
ABSTRACT\ Peripheral focusing of light by the anterior eye may provide a unifying concept to explain the location and etiology of sun-related eye conditions (ophthalmohelioses). Using a bovine eye model, along with computer-assisted ray-tracing techniques to model limbal focusing, we demonstrated a correlation between the locations of the foci of scattered incident light (resulting in a 20-fold concentration of light at the limbus) and the usual locations of pterygium and cortical cataract. These findings suggest the need for improved ocular protective devices, particularly ones that provide lateral protection of the eye against the increased ultraviolet insolation resulting from thinning of the ozone layer.
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“supporting the notion that most of UV damage is induced by oblique peripheral rays (40).”
From Photoprotection: a Review of the Current and Future Technologies (2010) · cites this paper as [40]
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“Although Coroneo et al has demonstrated that peripheral light focusing concentrates light nasally, 23,24 recent research suggests the contribution of peripheral light focusing to direct UV exposure is limited.”
Sunglasses: their effectiveness
Sliney, D. (2003) · SPIE BiOS · doi:10.1117/12.477907 · Cited by 3
“In all of the standards, strong hues are not permitted for general-purpose sunglasses because of concern that strong hues could interfere with the recognition of traffic signals and warning lights [1,50,54,55].”
BackgroundMethodOphthalmohelioses and peripheral light focusing by the anterior eye
Coroneo, M. (1994) · SPIE LASE · doi:10.1117/12.180815 · Cited by 3
Self-citationSliney, D. (2011) · doi:10.1016/b978-0-444-52272-6.00217-8 · Cited by 3
Computational Model of Sclerotic Scatter.
Johnston, F., Ho, A., & Coroneo, M. (2020) · Cornea · doi:10.1097/ico.0000000000002322 · Cited by 2
“the scleral surface, (3) light reemitted from the sclera after”
BackgroundSelf-citationAuto-Avulsion and Resolution of Corneal Pterygium
Ly, S. V., Kawasaki, B. S., & Matson, M. E. (2015) · Optometry and Vision Science · doi:10.1097/opx.0000000000000526 · Cited by 2
“This effect is caused by the focusing and refracting of incident light by the peripheral cornea onto the limbus, most notably in the nasal aspect.(6) This may explain why most pterygia present at that location.”
BackgroundInfluentialAdult Human Corneal Epithelial Stem Cells
Girolamo, N. D. (2014) · doi:10.1007/978-1-4614-9569-7_7 · Cited by 2
Progress in Preventing Age-Related Cataract
Beebe, D., & Shui, Y. (2008) · doi:10.1016/b978-012370585-3.50010-8 · Cited by 2
Ultraviolet Radiation and the Eye
Sliney, D. (2006) · Springer eBooks · doi:10.1007/1-4020-3697-3_20 · Cited by 2
Development of a Sun Protection Factor for contact lenses (CL-SPF)
Wolffsohn, J., Drew, T., Devitt, A., & Kieran, S. (2025) · BMJ Open Ophthalmology · doi:10.1136/bmjophth-2024-002005 · Cited by 1
INFERIOR LIMBAL CONJUNCTIVAL AUTOGRAFTING IN PRIMARY PTERYGIUM.
Elzarrug, H. K., Elbarghathi, A., Eltuboli, M., & Abdullah, R. M. S. (2017) · doi:10.21474/ijar01/5535 · Cited by 1
“Introduction:Pterygium, a Latin term derived from the Greek word meaning ―small wing‖ ,pterygium is one of the most obvious ophthalmohelioses (sun-related eye diseases) [1] [2]which was proven to be an ophthalmic enigma[3]It is potentially the Cinderella ocular disease—considered a diminutive condition and previously…”
BackgroundPeripheral light focusing by the anterior segment
Maloof, A., Ho, A., & Coroneo, M. (1994) · SPIE LASE · doi:10.1117/12.180816 · Cited by 1
Self-citationFleming, D. (2008) · Arrow - TU Dublin (Technological University Dublin) · doi:10.21427/d7xg6p · Cited by 2
Measurement of Photobiological Exposure of Ocular Tissues
Sliney, D. (2002) · doi:10.1007/978-1-4615-0937-0_3 · Cited by 1
Huang, Y., Deng, Y., Tang, J., & Wang, J. (2026) · Biomedicine & Pharmacotherapy · doi:10.1016/j.biopha.2026.119929
Reconsidering pterygium in the context of focal limbal stem cell dysfunction.
Gurdal, M., Gunaydin, N. T., & Selver, O. B. (2026) · Clinical and experimental optometry · doi:10.1080/08164622.2026.2708026
Ocular Biometric Features of Eyes With Prior Pterygium
Choi, D., & Meyer, J. J. (2025) · Cornea Open · doi:10.1097/coa.0000000000000059
Elmaleh, C., & Burtin, T. (2024) · EMC - Ophtalmologie · doi:10.1016/s0246-0343(23)70184-6
Bojadjiev, D., Neshinski, E., Marinov, M., Bojadjieva, M., & Grupcheva, C. (2018) · Bulgarian Review of Ophthalmology · doi:10.14748/bro.v0i4.4774
Fleming, D., Walsh, J. E., Moore, L. A., Bergmanson, J. P., & McMahon, D. (2005) · SPIE OPTO-Ireland · doi:10.1117/12.605125
Sclerotic scatter and focusing in eye painting: light through darkness
Denion, É., Denion, S., Mouriaux, F., & Béraud, G. (2022) · Arts et sciences · doi:10.21494/iste.op.2022.0893
Koirala, D. (2018) · doi:10.21007/etd.cghs.2018.0466
“The impulses are transferred to the brain via optic nerve which helps us to view any object [73].”
Background奈津子, 初. (2017) · doi:10.14938/cataract.09-009
Metadata
- Authors
- Coroneo, M. T., Müller-Stolzenburg, N. W., & Ho, A.
- Affiliations
- UNSW Sydney (AU)
- ORCID
- Venue
- Ophthalmic Surgery, Lasers and Imaging Retina
- Publisher
- SLACK, Inc.
- Published
- 1991-12
- Volume
- 22
- Issue
- 12
- Pages
- 705-711
- ISSN
- 1542-8877 (ISSN-L)
- 2325-8160
- 2325-8179
- OpenAlex
- W2465418419
- Cited by
- 141
- References
- 19
- Citations by year
- 2026: 2 · 2025: 4 · 2024: 2 · 2023: 4 · 2022: 5 · 2021: 2 · 2020: 4 · 2019: 1 · 2018: 5 · 2017: 5 · 2016: 6 · 2015: 4 · 2014: 6 · 2013: 11 · 2012: 3
- FWCI
- 2.63
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Ophthalmic surgery, lasers & imaging retina (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Ophthalmology › Ocular and Laser Science Research
- Health Sciences › Medicine › Ophthalmology › Ocular Surface and Contact Lens
- Health Sciences › Medicine › Ophthalmology › Ophthalmology and Visual Impairment Studies
- Keywords
- anterior eye, pterygium, cortical cataract, light scattering, ray tracing
- MeSH terms
- Animals, Anterior Eye Segment, Cattle, Computer Simulation, Eye Diseases, Eye Protective Devices, Models, Biological, Scattering, Radiation, Sunlight, Ultraviolet Rays, Vision, Ocular, Visual Pathways
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