Valentini Simona, Castagnetti Carolina, Musella Vincenzo, Spinella Giuseppe
Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell'Emilia (BO), Italy.
Department of Health Sciences, University Magna Graecia of Catanzaro, Germaneto (CZ), Italy.
PLoS One. 2014 Oct 8;9(10):e109491. doi: 10.1371/journal.pone.0109491. eCollection 2014.
Objective of this study was to describe intraocular measurements in newly born foals (1-7 days of age) and assess the association between globe measurements and gender, laterality, and body weight. B-scan ultrasonographic biometry was performed on both eyes of 22 healthy foals (44 eyes) ages 1-7 days using a 10-MHz transducer. Intraocular measurements (anterior chamber depth, central lens thickness, vitreous chamber depth, axial globe length, longitudinal globe length, lens poles distance) were carried out using the ultrasound internal calipers. The influence of gender (male or female), laterality (right or left eye), and body weight ("light" <48 kg; "heavy" ≥48 kg) on ocular measurements was analysed by the Student t test. Values of P<0.05 were accepted as significant for all analyses. Mean anterior chamber depth was 2.2±0.5 mm (Standard Deviation); central lens thickness was 9.9±0.8 mm; vitreous chamber depth was 15.5±1.1 mm; axial globe length was 27.6±1.6 mm; longitudinal globe length was 35.8±1.2 mm, and lens poles distance was 16.4±1.0 mm. Intraocular measurements were not influenced by gender, laterality nor body weight. This study provides reference values for intraocular measurements in neonatal foals and may be useful in the diagnosis and treatment of congenital and acquired pathologies involving the globe.
本研究的目的是描述新生马驹（1至7日龄）的眼内测量值，并评估眼球测量值与性别、眼别和体重之间的关联。使用10兆赫探头对22匹1至7日龄健康马驹的双眼（共44只眼）进行B超超声生物测量。使用超声内置卡尺进行眼内测量（前房深度、晶状体中心厚度、玻璃体腔深度、眼球轴长、眼球纵长、晶状体两极距离）。通过学生t检验分析性别（雄性或雌性）、眼别（右眼或左眼）和体重（“轻”<48千克；“重”≥48千克）对眼部测量值的影响。所有分析中，P<0.05的值被视为具有显著性。平均前房深度为2.2±0.5毫米（标准差）；晶状体中心厚度为9.9±0.8毫米；玻璃体腔深度为15.5±1.1毫米；眼球轴长为27.6±1.6毫米；眼球纵长为35.8±1.2毫米，晶状体两极距离为16.4±1.0毫米。眼内测量值不受性别、眼别或体重的影响。本研究提供了新生马驹眼内测量的参考值，可能有助于诊断和治疗涉及眼球的先天性和后天性病变。
