The researches show that the substrate plays an important role in the development of keratoconus. Cornea substrate's agenesis leads to the reduced solidity, which is possibly related to kearatoconus. There is still a lot to be researched on etilogy and early diagnosis of keratoconus.

雖有研究表明角膜間質(zhì)的水平在圓錐角膜的發(fā)病中起重要作用欧美黄色动作网站，角膜間質(zhì)發(fā)育不全，導(dǎo)致角膜的穩(wěn)固性下降，可能與圓錐角膜形成有關(guān)A片勉费视频网站，但對(duì)圓錐角膜形成的機(jī)理仍不詳盡，因此jiZZ成熟丰满，對(duì)圓錐角膜的發(fā)病機(jī)制及早期診斷的研究具有重要意義精品一本无码久久。

Paired Samples T test revealed that both the LT and VL decreased (P.01), the AD increased (P.01) after cycloplegia regardless of their refractive state. The AL increased for hyperopic eyes (P.05) and decreased for myopic eyes (P.01) after cycloplegia. For hyperopic eyes, the major keratometer K1 increased (P.05) while for myopic eyes, the major keratometer K1(P.05) and minor keratometer K2 (P.01) decreased after cycloplegia. The mean corneal power of zones 5 mm (MD5) and 7 mm (MD7) decreased with myopic eyes decreased dramatically (P.01). The mean refractive power of the lower half vertical meridian is greater than that of upper half; and the mean refractive power of the lateral half of the horizontal is greater than that of the medial half.

結(jié)果：不論遠(yuǎn)視眼、正視眼還是近視眼在睫狀肌麻痹后前房加深（P.01）无码少妇一区二区三区av，晶狀體變敝泄鶤AA片爽快免费。≒.01），玻璃體腔徑縮短（P.01）日本不卡的涩涩网站；但遠(yuǎn)視眼睫狀肌麻痹后眼軸增長（P.05）欧美韩一区，近視眼眼軸縮短（P.01）亚洲黄黄视频；遠(yuǎn)視眼睫狀肌麻痹后角膜曲率K1增加（P.05），近視眼睫狀肌麻痹后除K1降低外（P.05）人人色人人射人人操，K2以及以角膜中心點(diǎn)為中心国产夫妻视频，直徑為5mm、7mm的環(huán)平均角膜屈光度（MD5熟妇天天干视频、MD7）均降低（P.01）久久国产亚洲欧洲一区二区；此外，垂直徑線上方的平均角膜屈光度小于下方的平均角膜屈光度而水平徑線鼻側(cè)的平均角膜屈光度小于顳側(cè)的平均角膜屈光度（P.01）人人操,人人舔人人干。

The results of corneal topography, that of keratometer and cycloplegic retinoscopy in measuring astigmatism before refractive surgery were compared, and the measuring results of corneal topography and that of keratometer for 72 eyes after photorefractive keratectomy and 95 eyes after laser in situ keratomileusis were also compared.

采用計(jì)算機(jī)輔助的角膜地形圖男人天堂精品自拍、角膜曲率計(jì)及散瞳驗(yàn)光三種測(cè)量散光的方法，對(duì)屈光不正患者360只眼進(jìn)行檢查免费狼友，同時(shí)對(duì)準(zhǔn)分子激光角膜切削術(shù)（photorefractive keratectomy在线加勒比无码专区，PRK）后72只眼和準(zhǔn)分子激光原位角膜磨鑲術(shù)（excimer laser in situ keratomileusis，LASIK）后95只眼的角膜散光用角膜地形圖和角膜曲率計(jì)進(jìn)行測(cè)量并比較亚洲黄色第一区。

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).

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A corneal abrasion with a diameter of 7 mm was created centrally in both eyes with a trephine and subsequent rubbing off on the corneal epithelium with a 20% alcohol soaked swab. Photographic documentation and hematoxylin and eosin stained pathological section were performed when rabbits were killed at 0,12,24,36,48 and 72 h. Planimetry was performed, and the corneal photographs were analyzed with computer software.

將4組兔雙眼角膜中央置入直徑7.00mm的環(huán)鉆，其內(nèi)滴入20%乙醇約60s后用角膜刮匙刮去角膜上皮天天操天天色天天射，制作角膜上皮缺損模型国产精品久久人妻无码网站一区，術(shù)后每組滴用眼液頻率均為3次／d，各組分別于術(shù)后12欧美一区1区三区3区公司，24亚洲特级黄色视频，36，48及72h行裂隙燈下熒光素染色照相及海德堡共焦激光角膜顯微鏡檢查后各處死2只兔新赏网在线一区二区，取角膜做病理切片同時(shí)應(yīng)用計(jì)算機(jī)圖像處理系統(tǒng)測(cè)量角膜損傷后愈合面積亚洲骚B视频在线。

Methods A lamellar flap was produced in the rabbit cornea with a microkeratome. The flap interface in whole corneas and corneal beds were soaked in the rAAV –EGFP solution for 10 min, BSS solution was applied in the control group. The corneas were harvested at day 1, 3, 14, and 21 after application for the structure analysis of cornea by HE staining. Expression of the transferred gene was monitored by fluorescence stereoscope and laser confocal microscope. Results After 3d of infection with rAAV-EGFP ,slight fluorescence was detected in rabbit cornea by fluorescence stereoscope .

微型角膜刀制作兔角膜基質(zhì)瓣；轉(zhuǎn)染組用含rAAV－EGFP轉(zhuǎn)染液浸泡角膜瓣和角膜基質(zhì)床10 min免费A片大大片，對(duì)照組用等量BSS液浸泡角膜瓣和角膜基質(zhì)床10 minjizzwww，不同時(shí)間點(diǎn)(1、3人人操人色人人摸、7人人草.com、14亚洲毛片在线一区二区、21d)通過熒光體視鏡觀察角膜出現(xiàn)EGFP熒光的起始時(shí)間及分布情況，收集角膜狼友网站国产，其中一半用激光共聚焦顯微鏡觀察色呦呦.m3u8、照相，另一半固定后行HE染色亚洲伊人蕉综合网。

The experimental group corneas were preserved by organ culture for 4 weeks, the corneal thickness was measured with ultrasonic corneal pachymeter. Then every corneas were divided into half -chip, there are 48 half-chip total. It was divided into 4 groups, there are 12 half-chip in every groups. The corneal endothelial cell density of 12 half-chip were counted through Alizarin Red-Trypan blue staining; 12 half-clip corneas were fixed with 4% neutral formalin solution, HE staining was performed, the expression of AQP-1 in corneal stroma and corneal endothelial cell were detected through immunohistochemical staining; Na~+-K~+-ATPase activities in 12 half-clip corneas were examined with Na~+-K~+-ATPase kit; the expression of AQP-1 mRNA were detected through real-time fluorescent quantitation PCR.

實(shí)驗(yàn)組經(jīng)器官培養(yǎng)保存4周后以角膜測(cè)厚儀測(cè)量角膜厚度日韩午夜在线试看网站视频免费，然后每個(gè)角膜被分成兩半，共48個(gè)半片角膜歐美黃色視頻网站，再分成4組欧美超级乱婬片免费杂交，每組12個(gè)半片。12個(gè)半片用茜素紅-臺(tái)盼藍(lán)染色染色行角膜內(nèi)皮細(xì)胞計(jì)數(shù)五月婷综合色色色色色；12個(gè)半片角膜用4%中性福爾馬林溶液固定行HE染色亚洲欧美黄色录像在线观看、應(yīng)用免疫組化染色檢測(cè)AQP-1在角膜基質(zhì)和內(nèi)皮細(xì)胞表達(dá)的改變；12個(gè)半片角膜用Na~+-K~+-ATP酶試劑盒測(cè)量角膜內(nèi)皮細(xì)胞Na~+-K~+-ATP酶活性国产精品视频人人做人人；12個(gè)半片角膜用實(shí)時(shí)熒光定量PCR檢測(cè)AQP-1mRNA表達(dá)改變日日操人人干9197视频。

The general situations of the eye were observed and the corneal thickness were measured with ultrasonic corneal pachymeter after the animal models was established. After a week, the corneas were removed after the experimental animals are put to death. The corneal endothelial cell density of 12 half-chip were counted through Alizarin Red-Trypan blue staining; 12 half-clip corneas were fixed with 4% neutral formalin solution , HE staining was performed, the expression of AQP-1 in corneal stroma and corneal endothelial cell were detected through immunohistochemical staining; Na~+-K~+-ATPase activities in 12 half-clip corneas were examined with Na~+-K~+-ATPase kit; the expression of AQP-1 mRNA were detected through real-time fluorescent quantitation PCR.

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MTT assay FAK signaling pathway inhibitor genistein on human corneal epithelial cell cytotoxicity;RT-PCR detection of human corneal epithelial cells adhesion to fungus at different times,extracellular matrix protein including laminin,fibronectin,FN glass,Ⅳcollagen,transmembrane protein integrinαⅤ,integrinβ1(ITGβ1),as well as the FAK signaling pathway FAK1,FAK2 and Paxillin gene expression;Western blot detection of the signal transduction pathway adhesion-associated protein ITGβ1,FAK and PAX expression and the inhibition of genistein. Immunocytochemical method was used to observe the LN,FN and FAK expression in human corneal epithelial cells during interaction with the fungues;Laser scanning confocal microscope had a cell positioning on FN,FAK and PAX,observed the changing of the human corneal epithelial cytoskeleton after stimulated by fungues;Quantitatived by flow cytometry to detect of human corneal epithelial cells with PAX at ITGβ1 fungal expression after adhesion;Optical microscopy quantitied the fungues and human corneal epithelial cell adhesion and recorded to determination the integral optical density afrer adhesion;Scanning and transmitted electron microscope observed the changing of cell ultrastructure after fungues and human corneal epithelial cell adhesion.

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The results are unsure for experimental use;The rabbit's corneas that were removed with upper-half of corneal limbal epithelium lamella and erased the center corneal epitheliums were transparent with intact corneal epithelium;In the approach,the corneal and limbal epitheliums were burned with a cotton swab socked in 1 mol/L NaOH,there were 4 rabbits' corneal stroma happened perforation or ulcer and symblepharon,and the other one presented corneal epithelium phenotype.This is an applicable method to create the pathological model of corneal limbal stem cell total deficiency.

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cornea：角膜

角膜 角膜(cornea)呈透明的圓盤狀,略向前方突出,邊緣與鞏膜相連. 角膜層次分明亚洲福利一区黑人、從前至后共分5層(圖18-1,18-2). (3)角膜基質(zhì)(corneal stroma)約占整個(gè)角膜厚度的9/10,由大量與表面平行的膠原板層組成. 每一板層含大量平行排列的膠原原纖維,

keratoplasty：角膜成形術(shù),角膜移植術(shù)

keratometer 角膜散光計(jì),角膜曲面計(jì) | keratoplasty 角膜成形術(shù),角膜移植術(shù) | keratoscope 角膜鏡

conductive keratoplasty：傳導(dǎo)性角膜成形術(shù)

傳導(dǎo)性角膜成形術(shù)(Conductive Keratoplasty)簡稱CK是一種角膜熱成形術(shù),其利用探針將射頻熱量傳導(dǎo)到角膜上利用角膜的傳導(dǎo)性使角膜周邊組織產(chǎn)生收縮并變得陡峭,達(dá)到對(duì)角膜重塑的目的.

radial keratotomy, RK：放射狀角膜切開術(shù)

括放射狀角膜切開術(shù)(Radial Keratotomy RK)精品久久中文字幕久久av、準(zhǔn)分子激光屈光性角膜切削術(shù)(Photorefractio Keratectomy PRK)及準(zhǔn)分子激光原位角膜磨鑲術(shù)(Laser insitu Keratomileusis LASIK)后屈光過矯、欠矯或回退的療效.方法 運(yùn)用角膜地形圖角膜波前像差引導(dǎo)ORK程序及小光斑高速飛點(diǎn)激光掃描系統(tǒng)對(duì)38例(57只眼)多種角膜屈光手術(shù)后屈光回退

limbus：角膜緣

在此,角膜和鞏膜相移行的部分稱為角膜緣(limbus). 角膜沒有血管,血管終止于角膜緣,形成血管網(wǎng),營養(yǎng)成分由此擴(kuò)散入角膜. 此血管網(wǎng)包括兩層. 淺層由結(jié)膜血管分支構(gòu)成,位于結(jié)膜內(nèi),血管行徑彎曲;深層由睫狀前血管分支構(gòu)成,

calcific band keratopathy：帶狀角膜病變

臨床病理上,脈絡(luò)膜血管瘤分為孤立性和彌漫性2類:孤立性脈絡(luò)膜血管瘤多發(fā)生于后...帶狀角膜病變(band shaped corneal degenration)又稱角膜帶狀混濁和鈣化帶狀角膜病變(calcific band keratopathy),是一種角膜上皮下發(fā)生鈣質(zhì)沉著而引起的角膜病變.

keratometer：角膜散光計(jì),角膜曲面計(jì)

keratome 角膜刀 | keratometer 角膜散光計(jì),角膜曲面計(jì) | keratoplasty 角膜成形術(shù),角膜移植術(shù)

keratometry：角膜曲率計(jì)

50年代由于角膜曲率計(jì)(keratometry)的出現(xiàn),使人們對(duì)角膜地形圖的認(rèn)識(shí)邁上了一個(gè)新臺(tái)階. 80年代以來計(jì)算機(jī)技術(shù)被應(yīng)用于角膜地形圖的檢測(cè)中,計(jì)算機(jī)輔助的角膜鏡攝影可以全面亚洲中文久久精品无码国产精品、詳細(xì)地了解全角膜的地形. Placido盤反射攝影主要用于對(duì)全角膜前表面屈光狀態(tài)的了解,

keratoscopy：角膜散光檢查,角膜鏡檢查

keratoscopic arc 角膜散光計(jì)弧 | keratoscopy 角膜散光檢查,角膜鏡檢查 | keratotome 角膜刀

macrocornea：大角膜

核心提示:角膜先天異常包括:大角膜(macrocornea)亚洲综合综合网、小角膜(microcornea)、圓錐角膜(keratoconus )和角膜皮樣囊腫(corneal dermoid). 先天性大角膜是指角膜直徑超過12毫米以上,但眼壓不高,角膜透明,彎曲度正常,角膜緣變寬,虹膜后移,