發(fā)布時(shí)間：2018-06-27 11:25

  本文選題：屈光不正 + 眼軸��； 參考：《南華大學(xué)》2011年碩士論文

【摘要】：目的：分析青少年屈光狀態(tài)與其屈光要素,了解屈光要素對(duì)青少年近視形成的可能影響,以期根據(jù)屈光要素對(duì)青少年的屈光狀態(tài)進(jìn)行預(yù)測(cè)。 方法： 1研究對(duì)象：2010年3月-2011年1月于湖南省人民醫(yī)院眼視光中心門診收集的屈光不正病例數(shù)726人(1452只眼)。其中男性380人,女性346人,年齡4到18歲,平均年齡10.37±2.92歲,均排除器質(zhì)性病變,眼球發(fā)育正常,未接受過內(nèi)眼和外眼手術(shù)治療。 2檢查方法：檢測(cè)基本生長(zhǎng)發(fā)育情況,身高(H)cm，體重(W)kg.測(cè)量角膜厚度、前房深度(ACD)、最小角膜屈光力(K1)和最大角膜屈光力(K2)、玻璃體腔長(zhǎng)度(VL)、晶狀體厚度(LT)、眼軸長(zhǎng)度(AL)、屈光狀態(tài)、裸眼視力、矯正視力等。 3分組統(tǒng)計(jì)：分別按屈光度、眼軸長(zhǎng)度、年齡分組,采用單因素方差分析,對(duì)于分析有意義的才用SNK法進(jìn)行Q檢驗(yàn)。左右兩眼比較采用配對(duì)t檢驗(yàn),性別間比較采用成組t檢驗(yàn),并對(duì)結(jié)果進(jìn)行分析。分析眼屈光要素的差別以及屈光要素間的相互關(guān)系,并用多元線性回歸分析建立眼軸長(zhǎng)度、相關(guān)屈光要素和生長(zhǎng)發(fā)育因素間關(guān)系的回歸方程。P0.05被認(rèn)為具有統(tǒng)計(jì)學(xué)意義。 結(jié)果： 1在4-6歲組中,屈光度與AL、VL相關(guān),屈光度與其它屈光要素?zé)o相關(guān)。AL與VL有相關(guān)性。K1與K2有相關(guān)性。高度近視眼組與其它組別之間的AL值差異有顯著性(p0.05),而遠(yuǎn)視眼組和正視眼組以及低度近視眼組的AL值差異無顯著性。 2在7-12歲組中,AL與K1、K2之間均存在負(fù)相關(guān)關(guān)系,AL與ACD之間存在正相關(guān)關(guān)系。最小角膜曲率與最大角膜曲率均高度正相關(guān),即K1與K2之間呈正相關(guān)。 3在13-18歲組中,屈光度與AL、VL相關(guān),屈光度與其它屈光要素?zé)o相關(guān)。AL與VL、ACD有相關(guān)性。低度遠(yuǎn)視眼與高度遠(yuǎn)視眼以及高度近視眼組的AL值差異有顯著性(p0.05),中度遠(yuǎn)視眼組與低、中高度近視眼組的AL值差異有顯著性(p0.05)。高度遠(yuǎn)視眼組與低度遠(yuǎn)視眼、正視眼以及低、中高度近視眼組的AL值差異有顯著性(p0.05)。 44～12歲組的男生的AL、VL與身高、體重的發(fā)育是正相關(guān)關(guān)系。4～12歲組的女生的AL.VL與身高、體重正相關(guān)。4～6歲組的男女AL以及其他屈光要素的生長(zhǎng)發(fā)育基本一致。7～12歲組的男性的AL的發(fā)育顯著快于女性,而男性的角膜曲率值(K1、K2)則明顯比女性要小。13～18歲組中,男女性的則無差異。 5利用多元逐步回歸分析得到AL.ACD.LT.VL.身高和屈光度有關(guān)的預(yù)測(cè)方程：Y=0.994+0.942X1+0.917X2+0.973X3-0.016X4+0.231X5+0.221X6(Y表示AL,X1表示VL,X2表示LT，，X3表示ACD.X4表示屈光度,X5表示身高,X6表示年齡,VL的標(biāo)準(zhǔn)化回歸系數(shù)為0.909,ACD的標(biāo)準(zhǔn)化回歸系數(shù)為0.168,LT的標(biāo)準(zhǔn)化回歸系數(shù)為0.233) 結(jié)論： 屈光狀態(tài)與屈光要素間的匹配密切相關(guān),4～18歲兒童的眼軸(AL)可以根據(jù)玻璃體腔長(zhǎng)度(VL)、晶狀體厚度(LT)以及前房深度(ACD)、身高和屈光度進(jìn)行預(yù)測(cè)。
[Abstract]:Objective: to analyze the diopter state and its refractive factors in adolescents, and to understand the possible effects of refractive factors on the formation of juvenile myopia, in order to predict the refractive state of adolescents according to the refractive factors. Methods: 1 subjects: from March 2010 to January 2011, 726 cases (1452 eyes) of ametropia were collected in the clinic of the Eye Optometry Center of Hunan Provincial people's Hospital. There were 380 males and 346 females, aged from 4 to 18 years, with an average age of 10.37 鹵2.92 years. Height (H) cm, weight (W) kg. Corneal thickness, anterior chamber depth (ACD), minimum corneal refractive power (K1) and maximum corneal refractive power (K2), vitreous length (VL), lens thickness (LT), axial length (AL), refractive state, naked vision were measured. The corrected visual acuity was divided into three groups: diopter, axial length, age, single factor ANOVA, and SNK method for the analysis. Paired t test was used to compare left and right eyes, and group t test was used to compare sex. The results were analyzed. The difference of refractive factors and the relationship between refractive factors were analyzed. The regression equation of the relationship between refractive factors and growth and development factors was established by multiple linear regression analysis. P05 was considered to have statistical significance. Results: 1in the 4-6 years old group, the diopter was correlated with ALV, and the diopter was not correlated with other refractive elements. All was correlated with VL. K1 was correlated with K2. There was significant difference in AL between high myopia group and other groups (p0.05), but there was no significant difference in AL value between hyperopia group and orthopia group and low myopia group. There is a positive correlation between AL and ACD. The minimum corneal curvature was positively correlated with the maximum corneal curvature, that is, K1 was positively correlated with K2. 3 in 13-18 years old group, the diopter was correlated with ALVL, but the diopter was not correlated with other refractive factors. AL was correlated with VLACD. There was significant difference in AL value between low hyperopia group and high myopia group (p0.05), and significant difference between moderate hyperopia group and low and middle high myopia group (p0.05). There was significant difference in AL value between high hyperopia group and low hyperopia group, right vision group and middle and high myopia group (p0.05). The development of weight was positively correlated with the AL.VL of the girls in the age group of 12 years old. The development of AL was significantly faster in the male group than in the female group, and the growth and development of the male and female AL and other refractive factors were basically the same in the age group of 6 years old and the age group of 6 years of age. However, the corneal curvature value (K _ 1K _ 2) of male was significantly smaller than that of female (n = 18), and there was no difference between male and female. 5 the AL.ACD. LT.VL was obtained by multivariate stepwise regression analysis. The prediction equation related to height and diopter: yun0.994 0.942X1 0.917X2 0.973X3-0.016X4 0.231X5 0.221X6 The quasi-regression coefficient is 0.233) conclusion: the matching between refractive state and refractive factors is closely related to the ocular axis (AL) of children aged 418 years old, depending on the length of vitreous cavity (VL), lens thickness (LT) and anterior chamber depth. (ACD), height and diopter were predicted.
【學(xué)位授予單位】：南華大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2011
【分類號(hào)】：R778.11

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