Morphological changes in the iridocorneal angle and their relationship with intraocular pressure after infantile cataract surgery

INTRODUCTION

All surgeries were performed by the same surgeon under general anesthesia.

Gonioscopy is the standard examination technique used to observe the iridocorneal angle structure and provide an overview of the detectable pathological changes in the eyes of children with congenital cataract. Previously

, we have shown that the iridocorneal angle of children with cataracts is open, accompanied by a small amount of pigment and iris process preoperatively, and that the proinflammatory state may be maintained for a long time postoperatively. However,it remains unknown if the aphakic status can lead to structural changes in the iridocorneal angle.

Therefore, the purpose of this study was to investigate the changes in the iridocorneal angle using a gonioscope after primary infantile congenital cataract surgery, and to explore the relationship of morphological changes and intraocular pressure(IOP).

對缺少授粉樹，只開花不結(jié)果的園，結(jié)合開張角度，在大樹上直接高接換頭。接穗應(yīng)注意早、中、晚熟品種搭配，或花期一致的品種，選擇秦櫻一號、先鋒、拉賓斯為授粉品種。在3月中旬或9月上旬嫁接為宜，采用雙芽切接、方塊芽接和“T”字芽接，或?qū)?～4個芽的花枝作接穗進行改良嫁接。接穗成活后，在秋季或次年拉枝，促其開花結(jié)果。

事實證明，日常多行善，出門總會遇到貴人。在當(dāng)天晚上以火鍋補充了體力之后，我遇到的貴人就是旅店的老板。這位生在廣東梅州的客家人在河北和內(nèi)蒙接壤的草原上已經(jīng)享受了多年由越野車帶來的樂趣，他車庫里兩輛傷痕累累的豐田蘭德酷路澤似乎也在暗示著他在這里的豐富閱歷。出于對全新AMG G 63的好奇，他主動提出成為我們的向?qū)В覀兯冻龅拇鷥r不過是攝影師在必要時指導(dǎo)他如何拍下一組美麗的雪景而已。

SUBJECTS AND METHODS

All procedures were conducted following the tenets of the Declaration of Helsinki and were approved by the institutional ethics committee (clinical trial number:NCT03778086). Informed consent was obtained from the children’s caregivers.

流坑村的主體，基本保存明后期整治修繕后的仿里坊制的平面格局，依地形地貌，建宗祠、造書院、修街市、筑廟宇、樹門樓，基本涵蓋我國古代建筑的基本類型。以青磚灰瓦、高馬頭墻、雙坡屋頂為主體建筑形式；樓閣、牌坊多建成飛檐翹角，古典軒昂，構(gòu)成了富有地方特色的贛派民居。流坑民居的建筑裝飾手法，采用木雕、石雕、灰塑、彩畫、墨繪和匾額七類，往往雕、塑、繪、書并用，內(nèi)容豐富、題材多樣，使建筑富麗堂皇，富有文化藝術(shù)內(nèi)涵。

This was a prospective observational study, including 64 eyes of 41 children who underwent congenital cataract surgery (23-gauge lensectomy and anterior vitrectomy) at the Eye Hospital of Wenzhou Medical University, Hangzhou,China from March 2016 to January 2018, with an average age of 4.59±2.21mo. All the children were implanted with IOL in 2y, with an average age of 29.6±7.97mo, and were followed up for 1y after secondary IOL implantation.

Even with the development of modern microsurgical techniques and equipment, complications following pediatric cataract surgery still remain challenging

. The Infant Aphakia Treatment Study (IATS) found that common intraocular complications include visual axis opacification,glaucoma, and intraocular lens (IOL) exchange

. Glaucoma is a major sight-threatening complication of pediatric cataract surgery that can occur from months to decades after surgery

. According to the IATS, the risk of glaucoma increases from 12% one year after the operation to 24% after 5y

. Although several risk factors, such as age at time of cataract surgery, surgical technique used, microphthalmia,persistent fetal vasculature (PFV), and duration of follow-up,have been reported, convincing pathophysiological evidence for glaucoma remains unavailable. Some authors have proposed the collapse of the Schlemm’s canal and decreased outflow of the aqueous humor in post-lensectomy patients with glaucoma

.

二是人口增長因素。有利面是我國人口增長速度得到了有效控制，節(jié)水理念得到了一定程度的普及，減輕了資源壓力；……