Ⅱ期人工晶状体(intraocular lens,IOL)植入常用于矫正先天性白内障摘除术后无晶状体眼状态。IOL屈光力计算是影响儿童Ⅱ期IOL植入术后视功能发育和改善的关键因素之一。现有IOL屈光力计算公式是基于成人有晶状体眼的数据研发，能准确预测成人眼IOL植入的屈光力，但是对儿童Ⅱ期IOL植入的屈光力预测准确性欠佳，主要原因包括：1)儿童II期植入术前为无晶状体眼，缺乏部分公式定义中的有晶状体眼的前房深度(是指从角膜前表面中央顶点到晶状体前表面的距离)和晶状体厚度。2)公式根据囊袋内植入IOL预测屈光力，但儿童Ⅱ期IOL睫状沟植入术在临床上应用更为广泛。当IOL植入睫状沟时有效晶状体位置发生前移，可能引起屈光预测误差。3)成人眼的发育已完成，目标屈光度多为正视或近视眼(-3.00 ~ +1.00 D)，但是儿童眼仍在发育，需针对其特性测算合适的远视目标屈光度(+0.50 ~ +12.00 D)以适应眼球发育引起的屈光变化。为使Ⅱ期IOL植入患儿达到术前预设的目标屈光度，对现有公式进行选择与优化至关重要。

Secondary intraocular lens (IOL) implantation is a common treatment for pediatric aphakia. The accurate prediction of IOL power calculation plays a pivotal role in the postoperative development and improvement of visual function for pediatric secondary IOL implantation. Current IOL power calculation formulas were developed based on data from adult phakic eyes and displayed good performance in adult population. However, the formulas showed poor performance in pediatric aphakic population due to the following reasons: 1) In these pediatric aphakic patients, the unavailability of phakic anterior chamber depth (the distance from corneal epithelium to the anterior surface of the lens) and lens thickness (LT) greatly limits the application of some IOL power calculation formulas. 2) IOL power calculation formulas predict the effective lens position on the basis of in-the-bag IOL implantation, whereas sulcus implantation is more widely used in pediatric secondary implantation. Effective lens position in capsular placement is more posterior to ciliary sulcus IOL placement. When applying the initial IOL power calculated for capsular implantation to sulcus implantation, it can lead to refractive errors. 3) Adult eyes have completed their development, with target refractions often being emmetropic or myopic (-3.00 ~ +1.00 D), while pediatric eyes are still developing, necessitating the calculation of an appropriate hyperopic (+0.50 ~ +12.00 D) target refraction to accommodate refractive changes due to ocular growth.To achieve the predetermined target refractive outcomes, the selection and optimization of IOL power calculation formulas is critically important for pediatric secondary IOL implantation.

目的：了解儿童罹患青光眼的疾病类型、特点，更好地做到早期发现早期治疗。方法：收集北京同仁医院2014—2019年度834例0~18周岁住院接受抗青光眼手术的患者，回顾性分析患者的人群特点与疾病构成特点。结果：834例患者中，原发青光眼397例(47.6%)，继发青光眼429例(51.4%)。另有8例无法明确诊断青光眼类型。原发青光眼中以原发先天性青光眼最常见，继发青光眼中以白内障术后继发青光眼为主，两种类型的青光眼占总患者数的50%。结论：儿童罹患青光眼的疾病种类繁多，其中原发先天青光眼与白内障术后继发青光眼最常见，重视婴幼儿先天青光眼的筛查，监测儿童白内障术后眼压有助于早期发现青光眼，并给予治疗，延缓儿童青光眼患者视功能的损害。

Objective: To understand the types and characteristics of glaucoma in pediatric inpatients to achieve early detection and treatment. Methods: A total of 834 patients aged 0–18 years who underwent anti-glaucoma surgery in Beijing Tongren Hospital from 2014 to 2019 were collected and their population characteristics and disease composition characteristics were retrospectively analyzed. Results: In all of the 834 cases, there were 397 patients (47.6%) with primary glaucoma and 429 (51.4%) with secondary glaucoma. The type of glaucoma could not be definitively diagnosed in 8 cases. Primary infant glaucoma and secondary glaucoma following cataract surgery accounted for above 50%. Conclusion: The causes of pediatric inpatients with glaucoma are various. Screening of primary infant glaucoma should be taken seriously and monitoring intraocular pressure after cataract surgery is also important. Early detection and treatment can prevent further visual loss of pediatric patients with glaucoma.

目前对于成人圆锥角膜(keratoconus，KC)的研究已经很广泛，而对于儿童KC的研究则较少，其诊断和治疗常常基于成人KC的研究基础。与成人KC相比，儿童KC的发展更迅速、造成的后果更严重，其导致的儿童视觉障碍会追随其一生，对其生活质量以及教育发展产生严重的负面影响。为了对儿童KC的治疗有较全面的认识和理解，本文针对近几年儿童KC的治疗进展，对不同治疗方法的安全性、有效性和治疗时机等方面进行综述。

At present, the research on adult keratoconus has been extensive, while the research on pediatric keratoconus is few. The diagnosis and treatment of pediatric keratoconus are often based on the study of keratoconus in adults. Pediatric keratoconus is more aggressive than adult keratoconus, resulting in visual impairment that can follow throughout their lives and have a serious negative impact on their quality of life and educational development. In this paper, according to the treatment progress of pediatric keratoconus in recent years, the safety, effectiveness, and treatment timing of different treatment methods were summarized, in order to have a more comprehensive understanding of the treatment of pediatric keratoconus.

目前对于成人圆锥角膜(keratoconus，KC)的研究已经很广泛，而对于儿童KC的研究则较少，其诊断和治疗常常基于成人KC的研究基础。与成人KC相比，儿童KC的发展更迅速、造成的后果更严重，其导致的儿童视觉障碍会追随其一生，对其生活质量以及教育发展产生严重的负面影响。为了对儿童KC的治疗有较全面的认识和理解，本文针对近几年儿童KC的治疗进展，对不同治疗方法的安全性、有效性和治疗时机等方面进行综述。

At present, the research on adult keratoconus has been extensive, while the research on pediatric keratoconus is few. The diagnosis and treatment of pediatric keratoconus are often based on the study of keratoconus in adults. Pediatric keratoconus is more aggressive than adult keratoconus, resulting in visual impairment that can follow throughout their lives and have a serious negative impact on their quality of life and educational development. In this paper, according to the treatment progress of pediatric keratoconus in recent years, the safety, effectiveness,and treatment timing of different treatment methods were summarized, in order to have a more comprehensive understanding of the treatment of pediatric keratoconus.

目的：对比喉罩与气管插管在小儿眼科全身麻醉中的应用情况，选取小儿全身麻醉的适宜气道管理方式。方法：选取2019年6月至2021年4月在天津市眼科医院进行眼科全身麻醉手术的86例患儿为研究对象，根据全身麻醉诱导后置入气管导管或喉罩分为插管组与喉罩组，每组43例。麻醉诱导后插入气管导管或喉罩后实施容量控制通气。通过回顾收集麻醉记录单查询麻醉诱导前(T0)、麻醉诱导后(T1)、插入气管导管或喉罩时(T2)、手术开始时(T3)、手术结束时(T4)、移除喉罩或气管导管时(T5)检测心率、平均动脉压，以及插管后5、10、20 min时的平均气道压和呼气末CO2分压。根据麻醉记录单查询每例患者气管插管或喉罩置入的次数、苏醒期呛咳及躁动的发生情况。比较2组麻醉时间、置管/喉罩首次成功率、拔管/撤罩时间、自主呼吸恢复时间、麻醉复苏时间。观察2组患者并发症(呛咳、躁动发生情况)的发生情况。结果：在T2、T3和T5时，插管组心率明显高于喉罩组，差异有统计学意义(P<0.05)；在T2、T3、T4和T5时，插管组平均动脉压明显高于喉罩组，差异有统计学意义(P<0.05)。插管后5、10和20 min时，插管组平均气道压均高于喉罩组，差异有统计学意义(P<0.05)。2组不同时间点呼气末CO2分压的比较，差异无统计学意义(P<0.05)。喉罩组麻醉复苏期间呛咳和躁动的发生率明显低于插管组，差异有统计学意义(P<0.05)。结论：喉罩具有操作简单、对气道刺激较小等优点，用于小儿眼科全身麻醉时对血流动力学的影响较小，气道反应性低，并发症较少，值得在临床推广使用。

Objective: To select the appropriate airway management mode for children under general anesthesia by comparing the application of laryngeal mask and endotracheal intubation in pediatric ophthalmology. Methods: A total of 86 children who underwent ophthalmic general anesthesia surgery in our hospital in June 2019 and April 2021 were selected as the study subjects, and the tracheal catheter or laryngeal mask was placed after induction of general nesthesia, and the group of 43 cases were divided into intubation group and laryngeal mask group. Volumecontrolled ventilation is performed after induction of anesthesia after insertion of a tracheal catheter or laryngeal mask. Heart rate and mean arterial pressure were detected by retrospectively collecting anesthesia records alone before anesthesia induction (T0), after anesthesia induction (T1), when a tracheal catheter or laryngeal mask was inserted (T2), at the beginning of surgery (T3), at the end of surgery (T4), and when the laryngeal mask or tracheal catheter was removed (T5). As well as the average airway pressure and end-expiratory CO2 partial pressure at 5, 10, and 20 min after intubation. The number of endotracheal intubations or laryngeal hoods, the occurrence of cough during awakening, and agitation in each patient was queried according to the anesthesia record. The timing of anesthesia, the first success rate of catheterization/laryngeal mask, the time of extubation/uncommissioning, the time of spontaneous breathing recovery, and the time of anesthesia resuscitation were compared between the 2 groups. The occurrence of complications (choking cough, agitation) in both groups of patients was observed. Results: At T2, T3 and T5, the heart rate in the intubation group was significantly higher than that in the laryngeal mask group (P<0.05), and at T2, T3, T4 and T5, the mean arterial pressure in the intubation group was significantly higher than that in the laryngeal mask group(P<0.05). At 5, 10, and 20 min after intubation, the mean airway pressure in the intubation group was higher than that in the laryngeal mask group, and the difference was statistically significant (P<0.05). There was no statistical difference in the partial pressure of CO2 at the end of expiratory breath at different time points between the 2 groups (P<0.05). The incidence of choking cough and agitation during anesthesia resuscitation in the laryngeal mask group was significantly lower than that in the intubation group, and the difference was statistically significant (P<0.05). Conclusion: The laryngeal mask has the advantages of simple operation and less stimulation of the airway, and when used for pediatric ophthalmic general anesthesia, it has less hemodynamic effect, low airway responsiveness and fewer complications, and is worth promoting in clinical practice

小儿眼科麻醉的挑战是既要保障患儿的麻醉安全又要提高手术接台效率。麻醉前的充分评估和详细的准备可以有效地降低麻醉期间的并发症。在麻醉前访视期间，需要做到仔细地询问病史，全面的麻醉体格检查及必要的实验室检查或专科会诊，完成充分告知任务，从而提高小儿眼科麻醉安全性。

The challenge of pediatric ophthalmic anesthesia is how to balance the safety and efficiency of ophthalmic surgery. Careful pre-operative evaluation and preparation can effectively reduce potential complications during pediatric ophthalmic anesthesia. During the preoperative assessment, it’s necessary to gather information, perform a full physical examination, take required laboratory tests or consultations with specialties, and deliver appropriate information and consent to increase the safety of pediatric ophthalmic anesthesia