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Effects of the peripheral layers on the optical properties of spherical fish lenses

In English

Författare

Summary, in English

We created a computational optical model of spherical fish lenses that takes into account the effects of the peripheral layers that differ in cellular composition from the bulk of the lens. A constant refractive index, except for the lens capsule, in the outer about 6 % of lens radius made it possible to uniquely infer the refractive index gradient in more central layers from a known or desired longitudinal spherical aberration curve using the inverse Abel transform. Since the zone of constant refractive index is wider than necessary to make the solution unique and for optimal optical performance of the lens, we propose that its width is set by the metabolic needs of the lens.

Publiceringsår

2008

Språk

Engelska

Sidor

2468-2475

Publikation/Tidskrift/Serie

Journal of the Optical Society of America A

Volym

25

Issue

10

Dokumenttyp

Artikel i tidskrift

Förlag

Optical Society of America

Ämne

  • Zoology
  • Biophysics

Nyckelord

  • gradient lens
  • spherical aberration
  • visual system
  • Vertebrate lens
  • optical lens
  • Abel transform
  • multifocal lens
  • lens periphery

Status

Published

Forskningsgrupp

  • Lund Vision Group

ISBN/ISSN/Övrigt

  • ISSN: 1084-7529