RT Journal Article
SR Electronic
T1 Ultrasound biomicroscopic measurement of anterior chamber angle in premature infants
JF British Journal of Ophthalmology
JO Br J Ophthalmol
FD BMJ Publishing Group Ltd.
SP 460
OP 464
DO 10.1136/bjo.81.6.460
VO 81
IS 6
A1 Hiroshi Kobayashi
A1 Junichii Kiryu
A1 Kaori Kobayashi
A1 Takehisa Kondo
YR 1997
UL http://bjo.bmj.com/content/81/6/460.abstract
AB AIM To establish normative values for the anterior segment in premature infants in relation to postconceptional age and birth weight. METHODS Anterior segments were measured in 39 premature infants, 25 to 39 weeks’ gestational age by use of ultrasound biomicroscopy and a muscle hook with topical anaesthesia. RESULTS Anterior chamber depth, trabecular-iris angle, angle opening (trabecular-iris) distances at 250 and 500 μm from the scleral spur, and the thickness of the thickest part of the iris showed linear increases in relation to postconceptional age and birth weight. CONCLUSIONS Ultrasound biomicroscopy is a powerful tool for obtaining precise images and measurement of the anterior segment in preterm neonates. Normative values were established for anterior segment dimensions in relation to postconceptional age and birth weight.