Iris arteriolar diameters in hypoxia and hyperoxia: a photographic study in albino guinea pigs

E. Stefansson; R. A. Shelton; M. B. Landers; A. W. Walsh; M. L. Wolbarsht

Iris arteriolar diameters in hypoxia and hyperoxia: a photographic study in albino guinea pigs

E. Stefansson
, R. A. Shelton
, M. B. Landers
, A. W. Walsh
, M. L. Wolbarsht

Faculty of Medicine

University of Iceland

Research output: Contribution to journal › Article › peer-review

Abstract

The irides of albino guinea pigs were photographed, and the iris arteriolar diameters were measured with the animal breathing room air, 10% O₂/90% N₂, or 100% O₂. The iris arterioles constrict significantly in hyperoxia and dilate in hypoxia. The average constriction on 100% O₂ was 27% ± 8%, and the average dilatation in 10% oxygen was 34% ± 20%.

Original language	English
Pages (from-to)	741-743
Number of pages	3
Journal	Investigative ophthalmology and visual science
Volume	24
Issue number	6
Publication status	Published - 1983

Cite this

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title = "Iris arteriolar diameters in hypoxia and hyperoxia: a photographic study in albino guinea pigs",

abstract = "The irides of albino guinea pigs were photographed, and the iris arteriolar diameters were measured with the animal breathing room air, 10\% O2/90\% N2, or 100\% O2. The iris arterioles constrict significantly in hyperoxia and dilate in hypoxia. The average constriction on 100\% O2 was 27\% ± 8\%, and the average dilatation in 10\% oxygen was 34\% ± 20\%.",

author = "E. Stefansson and Shelton, \{R. A.\} and Landers, \{M. B.\} and Walsh, \{A. W.\} and Wolbarsht, \{M. L.\}",

year = "1983",

language = "English",

volume = "24",

pages = "741--743",

journal = "Investigative ophthalmology and visual science",

issn = "0146-0404",

publisher = "Association for Research in Vision and Ophthalmology Inc.",

number = "6",

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T1 - Iris arteriolar diameters in hypoxia and hyperoxia

T2 - a photographic study in albino guinea pigs

AU - Stefansson, E.

AU - Shelton, R. A.

AU - Landers, M. B.

AU - Walsh, A. W.

AU - Wolbarsht, M. L.

PY - 1983

Y1 - 1983

N2 - The irides of albino guinea pigs were photographed, and the iris arteriolar diameters were measured with the animal breathing room air, 10% O2/90% N2, or 100% O2. The iris arterioles constrict significantly in hyperoxia and dilate in hypoxia. The average constriction on 100% O2 was 27% ± 8%, and the average dilatation in 10% oxygen was 34% ± 20%.

AB - The irides of albino guinea pigs were photographed, and the iris arteriolar diameters were measured with the animal breathing room air, 10% O2/90% N2, or 100% O2. The iris arterioles constrict significantly in hyperoxia and dilate in hypoxia. The average constriction on 100% O2 was 27% ± 8%, and the average dilatation in 10% oxygen was 34% ± 20%.

UR - https://www.scopus.com/pages/publications/0020576752

M3 - Article

C2 - 6853100

SN - 0146-0404

VL - 24

SP - 741

EP - 743

JO - Investigative ophthalmology and visual science

JF - Investigative ophthalmology and visual science

IS - 6

ER -

Iris arteriolar diameters in hypoxia and hyperoxia: a photographic study in albino guinea pigs

Abstract

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