角膜混浊

To investigate the change of corneal thickness after photorefractive keratectomy and the relationship between the corneal thickness and Haze.

目的：探讨准分子激光角膜切削术后角膜厚度变化，及角膜厚度变化与角膜雾状混浊的关系。

Objective To study the mechanism of haze formation and to investigate the expression of platelet-derived growth factor mRNA in corneal epithelium and stroma after photorefractive keratectomy.

目的 研究角膜上皮下混浊形成的发生机制，检测准分子激光屈光性角膜切削术后角膜上皮和基质血小板源性生长因子表达的变化。

Thirty-two pathological corneal samples were collected from the patients during corneal transplantation, including keratoconus (3 cases), endothelial keratitis (1 case), corneal endothelial decompensation after cataract operation (4 cases), Mooren's ulcer (3 cases), corneal implant opacities (5 cases), herpes simplex viral leucoma (1 case) and perforation (3 cases), trachoma corneal leucoma (1 case), bacterial (1 case) and fungal (1 case) corneal perforation, chemical trauma (5 cases), and burn (2 cases).

32例角膜植片标本来自我院角膜移植取下的病变组织，其中园锥角膜3例；角膜内皮炎1例；白内障术后角膜内皮失代偿4例；蚕食性角膜溃疡3例；角膜植片混浊5例；单疱病毒性白斑1例和单疱病毒性角膜穿孔3例；砂眼角膜白斑1例；细菌性和真菌性角膜穿孔各1例；角膜化学伤5例和热烧伤2例。

Methods Advanced generation silicone IOL was implanted with injector in group A (102 eyes) and the PMMA IOL, implanted in group B (108 eyes) as the control. The changes of visual acuity, corneal astigmatism, anterior chamber flare, corneal edema, location of IOL, pos terior capsular opaqueness and other operation complications were observed.

对白内障超声乳化吸除术102眼行新一代硅胶推注式人工晶状体植入术，108眼行PMMA人工晶状体植入术；并对两组患者术后视力、术前术后角膜散光、术后前房闪辉、术后角膜水肿、人工晶状体位置、后囊混浊的变化及其它手术并发症进行观察。

Injuries of the corneal endothelial layer in humans lead to corneal swelling and translucence.

角膜内皮细胞的损伤会导致角膜的水肿和混浊。

Methods: The corneal thickness was measured before and 1,3,6,12 and 24 months after PRK with an DGHA biometer; the grades of Haze after PRK were examined with a slit-lamp biomicroscope.

采用美国DGHA型生物测量仪测量PRK术前及术后1、3、6、12与24月的角膜中心厚度，显微裂隙灯下观察PRK术后角膜雾状混浊的情况。

3 The corneal tonometry is contraindicative in conjunctivitis, erosions, sores, hypostasis and cornea dimness.

结膜炎、角膜溃疡、糜烂、淤血、混浊是角膜张力测量是禁忌症。

Results: Calvaria of pterygium were separated very easy from laminca elastica anterior. No turbidity of influence sight came forth postoperative other 12 eyes central cornea, in addition to 1 eye central cornea was destroyed by pterygium.

结果：术中非常容易把翼状胬肉头端与前弹层分离，除1眼的角膜中央区术中就有翼状胬肉浸润性混浊外，其他12眼术后角膜中央无影响视力的混浊。

Objective To explore factors which lead to occurrence of subepithelial corneal haze after laser subepithelial keratomileusis.

目的 探讨准分子激光上皮下角膜磨镶手术后角膜上皮下雾状混浊发生的相关因素。

Objective To observe the effect of mitomycin-C on degree of Haze under corneal epithelium after laser subepithelial keratomileusis in patients with high myopia,to find out better methods to prevent Haze from coming into being.

目的观察丝裂霉素C对高度近视患者准分子激光上皮下角膜磨镶术术后角膜上皮下混浊发生程度的影响，从而寻找更好的能防止Haze发生的方法。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。