Assessment of changes in corneal shape as a function of intraocular pressure: a pilot study

Kira Brenman; Hassan Tahi; Fabrice Manns; Bernard Duchesne; Jean Marie Parel; Emmanuel Lacombe

Assessment of changes in corneal shape as a function of intraocular pressure: a pilot study

Kira Brenman, Hassan Tahi, Fabrice Manns, Bernard Duchesne, Jean Marie Parel, Emmanuel Lacombe

Research output: Contribution to journal › Conference article › peer-review

Abstract

To evaluate the effect of increased intraocular pressure (IOP) on the corneal shape of human cadaver eyes, eight cadaver eyes found to be unsuitable for transplantation were assessed for overall integrity. The epithelium was debrided, the eye placed into an artificial orbit, and a 30-gauge needle was inserted into the vitreous cavity. The IPO was altered as necessary. The surface contour was assessed at different pressure levels. Keratomeric analysis was made to examine the dioptric effects of varying IOP. An elevation analysis was performed to determine the corneal locations that conformed to the pressure adjustments. Results lead to the conclusion that the cornea does not uniformly conform to IOP variation.

Original language	English (US)
Pages (from-to)	108-114
Number of pages	7
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	3908
State	Published - Jan 1 2000
Event	Ophthalmic Technologies X - San Jose, CA, USA Duration: Jan 22 2000 → Jan 23 2000

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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Assessment of changes in corneal shape as a function of intraocular pressure : a pilot study. / Brenman, Kira; Tahi, Hassan; Manns, Fabrice; Duchesne, Bernard; Parel, Jean Marie; Lacombe, Emmanuel.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 3908, 01.01.2000, p. 108-114.

Research output: Contribution to journal › Conference article › peer-review

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title = "Assessment of changes in corneal shape as a function of intraocular pressure: a pilot study",

abstract = "To evaluate the effect of increased intraocular pressure (IOP) on the corneal shape of human cadaver eyes, eight cadaver eyes found to be unsuitable for transplantation were assessed for overall integrity. The epithelium was debrided, the eye placed into an artificial orbit, and a 30-gauge needle was inserted into the vitreous cavity. The IPO was altered as necessary. The surface contour was assessed at different pressure levels. Keratomeric analysis was made to examine the dioptric effects of varying IOP. An elevation analysis was performed to determine the corneal locations that conformed to the pressure adjustments. Results lead to the conclusion that the cornea does not uniformly conform to IOP variation.",

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AU - Brenman, Kira

AU - Tahi, Hassan

AU - Manns, Fabrice

AU - Duchesne, Bernard

AU - Parel, Jean Marie

AU - Lacombe, Emmanuel

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N2 - To evaluate the effect of increased intraocular pressure (IOP) on the corneal shape of human cadaver eyes, eight cadaver eyes found to be unsuitable for transplantation were assessed for overall integrity. The epithelium was debrided, the eye placed into an artificial orbit, and a 30-gauge needle was inserted into the vitreous cavity. The IPO was altered as necessary. The surface contour was assessed at different pressure levels. Keratomeric analysis was made to examine the dioptric effects of varying IOP. An elevation analysis was performed to determine the corneal locations that conformed to the pressure adjustments. Results lead to the conclusion that the cornea does not uniformly conform to IOP variation.

AB - To evaluate the effect of increased intraocular pressure (IOP) on the corneal shape of human cadaver eyes, eight cadaver eyes found to be unsuitable for transplantation were assessed for overall integrity. The epithelium was debrided, the eye placed into an artificial orbit, and a 30-gauge needle was inserted into the vitreous cavity. The IPO was altered as necessary. The surface contour was assessed at different pressure levels. Keratomeric analysis was made to examine the dioptric effects of varying IOP. An elevation analysis was performed to determine the corneal locations that conformed to the pressure adjustments. Results lead to the conclusion that the cornea does not uniformly conform to IOP variation.

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