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Polarization effect of the in-vivo cornea

Maung H. Khin, Shuichi Kawabata, Kazuo Ishikawa, Toyohiko Hatada, Hitoshi Ohzu

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Abstract

We studied the polarization effect of the normal cornea by using birefringent special samples (PMMA) which produce polarized pattern similar to those of the in vivo cornea. The observation confirmed the change of polarization patterns in vivo cornea as a function of thickness and optical birefringence of the cornea. We posit that the hyperbolic polarized pattern seen in vivo normal cornea is the change of birefringence in the whole cornea is affected by the external oblique direction of stress, which is necessary to maintain a balanced state of the eye globe.

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What this paper is about

We studied the polarization effect of the normal cornea by using birefringent special samples (PMMA) which produce polarized pattern similar to those of the in vivo cornea. The observation confirmed the change of polarization patterns in vivo cornea as a function of thickness and optical birefringence of the cornea. We posit that the hyperbolic polarized pattern seen in vivo normal cornea is the change of birefringence in the whole cornea is affected by the external oblique direction of stress, which is necessary to maintain a balanced state of the eye globe.

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Available abstract

We studied the polarization effect of the normal cornea by using birefringent special samples (PMMA) which produce polarized pattern similar to those of the in vivo cornea. The observation confirmed the change of polarization patterns in vivo cornea as a function of thickness and optical birefringence of the cornea. We posit that the hyperbolic polarized pattern seen in vivo normal cornea is the change of birefringence in the whole cornea is affected by the external oblique direction of stress, which is necessary to maintain a balanced state of the eye globe.

Key concepts: Cornea, Birefringence, In vivo, Polarization (electrochemistry), Optics, Materials science, Chemistry, Physics

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