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Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
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Human vision is determined based on information theory.

Alfonso Delgado-Bonal1,2, Javier Martín-Torres1,3

  • 1Instituto Andaluz de Ciencias de la Tierra (CSIC-UGR), Avda. de Las Palmeras no. 4, Armilla, 18100, Granada, Spain.

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|November 4, 2016
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Summary
This summary is machine-generated.

Human eye evolution is driven by radiation entropy, not just intensity. Optimal wavelengths for photopic and scotopic vision balance intensity and information content for better environmental interpretation.

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Area of Science:

  • Evolutionary biology
  • Vision science
  • Biophysics

Background:

  • Human eye evolution is traditionally linked to solar radiation intensity.
  • Visual interpretation depends on both energy and information content of radiation.
  • Information content is related to entropy, a concept crucial for understanding visual perception.

Purpose of the Study:

  • To investigate the role of radiation entropy in human eye evolution.
  • To determine if human vision has adapted to maximize information, not just intensity.
  • To identify the optimal wavelengths for photopic and scotopic vision based on entropy.

Main Methods:

  • Analysis of radiation properties (intensity and entropy).
  • Application of Bayesian statistical inference principles to visual space interpretation.
  • Experimental inference of optimal wavelengths for human vision.

Main Results:

  • Photopic and scotopic vision absorption peaks are influenced by radiation intensity and entropy.
  • The human eye has evolved for optimal wavelength selection for information acquisition.
  • Experimentally inferred optimal wavelengths are 555 nm (photopic) and 508 nm (scotopic).

Conclusions:

  • Human eye evolution is a balance between maximizing radiation intensity and information entropy.
  • Optimal wavelengths for vision are determined by stellar temperature and atmospheric composition.
  • This research reframes our understanding of visual system adaptation and evolution.