相关实验视频
Updated: Feb 10, 2026

07:20
Inducement and Evaluation of a Murine Model of Experimental Myopia
Published on: January 22, 2019
10.5K
在折射手术后高近视症中对玻璃眼治疗的挑战:一个案例报告
Rodrigo Brazuna1, Dillan Cunha Amaral2, Giovanni Nicolla Umberto Italiano Colombini1
1Department of Ophthalmology, Federal University of the State of Rio de Janeiro, Rio de Janeiro, BRA.
Cureus
|February 9, 2026
概括
由于眼内压力 (IOP) 测量不可靠,先前进行过折射手术的高度近视患者的玻璃眼的管理具有挑战性. 在标准方法失败时,微脉冲激光治疗在减缓疾病进展方面表现有希望.
科学领域:
- 眼科医生 眼科 眼科
- 视光眼管理 视光眼管理
- 角质生物力学 角质生物力学
背景情况:
- 在高度近视的患者中,经过先前的折射性手术,对高光眼的管理带来了独特的挑战.
- 在放射性角膜切割术等手术后改变的角膜生物力学,妥协标准眼内压力 (IOP) 评估.
- 阳性催产素脱落和静脉内环植入进一步复杂化了IOP测量的准确性.
研究的目的:
- 报告一个高度近视患者的复杂绿眼病例的管理情况,该患者有放射性角切除术,阳光催化和费拉拉环植入的病史.
- 为了突出在如此复杂的眼部条件下,常规度学的局限性.
- 评估微脉冲跨细胞循环光凝血作为替代治疗方式的疗效.
主要方法:
- 一个52岁的男性的病例报告,他患有高近视,有放射性角切除术,脱光术,环植入,白内障手术和视网膜脱落的病史.
- 使用戈德曼平面化度 (GAT) 和科尔维斯ST用于IOP测量,以及光学一致性断层扫描 (OCT) 用于视网膜神经纤维层 (RNFL) 评估和汉弗里场分析仪 (HFA) 用于视野测试.
- 干预包括两次微脉冲跨细胞循环光凝血.
主要成果:
- 戈德曼平面度计 (GAT) 在受影响的眼睛 (OD) 中显示了与同眼睛 (OS) 相比,高度可变和不可靠的IOP读数.
- 科尔维斯ST显示两只眼睛的内视压升高,而OCT显示RNFL稀释和视野缺陷.
- 微脉冲横细胞循环光凝导致中度内血压降低,似乎减缓了疾病的结构和功能进展.
结论:
- 标准的戈尔德曼平面化度测量在有放射性角质切除术,脱光术和内环植入的眼睛中是不可靠的.
- 角膜独立度法和功能监测对于准确评估这些患者的青光眼至关重要.
- 微脉冲激光环光凝固在手术干预不可行或不适合时,为眼管理提供了一个可行的替代方案,强调需要个性化治疗策略.
相关概念视频
Glaucoma: Overview
1.4K
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
1.4K
Open Angle Glaucoma: Treatment
1.0K
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
1.0K
Angle Closure Glaucoma: Treatment
1.3K
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
1.3K
Data Reporting and Recording
5.5K
Reporting and recording are crucial in data documentation. The timely, thorough, and accurate documentation of facts is essential when recording patient data. Failure to record findings during an assessment or interpretation of a problem will result in loss of information and make the patient document unreliable. The reader is left with general impressions if the information is not specific. A recording is documenting data of the individual's health information in a traceable, secure, and...
5.5K
Types of Reports I: Hands-off Report
1.5K
A hand-off report, also known as a change-of-shift report, is a crucial nursing process that ensures the smooth transition of patient care responsibilities between nursing staff.
Following are the key components and categories of hand-off reports:
Purpose and Process:
Following are the key components and categories of hand-off reports:
Purpose and Process:
1.5K
Influence of Earth's Curvature and Atmospheric Refraction on Leveling
965
During leveling, the Earth's curvature and atmospheric refraction introduce deviations in the line of sight from a true horizontal reference. When the line of sight is leveled, it remains perpendicular to the plumb line only at a single point. Beyond this, it deviates due to the Earth’s curvature, represented by the correction C. For a sight distance D, the deviation can be derived using the relationship:This relationship shows that the deviation increases quadratically with distance. Over a...
965

