相关实验视频

Updated: Jun 2, 2025

Scleral Cross-linking Using Riboflavin and Ultraviolet-A Radiation for Prevention of Axial Myopia in a Rabbit Model

Scleral Cross-linking Using Riboflavin and Ultraviolet-A Radiation for Prevention of Axial Myopia in a Rabbit Model

Published on: April 3, 2016

眼内透镜计算公式选择短眼:基于轴长和前腔深度

Ruoxi Gao¹, Jiaqing Zhang¹, Xiaotong Han¹

¹State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong, China.

BMC ophthalmology

|January 17, 2025

概括

凯恩公式对短眼最为准确,而Pearl-DGS则在轴长短,前腔深度更深的眼睛中表现出色,改善了眼内透镜计算.

科学领域:

眼科医生眼科眼科
生物医学工程生物医学工程
光学是什么?光学是什么?光学是什么?

背景情况:

精确的眼内镜 (IOL) 功率计算对于在白内障手术后实现所需的折射结果至关重要.
短眼睛 (轴长小于22.00毫米) 对IOL公式的可预测性提出了独特的挑战.
在这个特定的人群中评估各种IOL计算公式的性能对于优化手术结果至关重要.

研究的目的:

为了比较11个眼内透镜 (IOL) 计算公式的预测准确性,眼睛的轴长 (AL) 小于22.00毫米.
为了确定最可靠的公式来计算短视眼的IOL功率.
根据特定的眼睛参数分析配方性能,如AL和前腔深度 (ACD).

主要方法:

总共有184名患者的184只眼睛被纳入分析.
评估了11种IOL公式 (7种新一代和4种传统) 的预测准确性.
根据轴长 (AL) 和前腔深 (ACD) 进行了子组分析.

主要成果:

凯恩公式表明没有系统偏差,并实现了较低的平均绝对误差 (MAE) 和根平均平方绝对误差 (RMSAE).
对于AL ≤21.5mm和ACD>2.5mm的眼睛,Pearl-DGS公式显示了最小的MAE和最低的RMSAE.
几种传统公式和一些新一代公式表现出近视转移,表明这一群体中的潜在不准确性.

结论:

建议使用凯恩公式,因为它在计算眼内透镜功率时具有很高的准确性.
珍珠-DGS配方在具有更深前腔的短眼小组中表现出优异的表现.
这些发现有助于选择最合适的IOL计算公式,以改善挑战性短眼的折射结果.

关键词:

前腔的深度是前腔的深度.轴长度轴长度轴长度在IOL计算过程中,IOL计算方法是:短眼睛短眼睛短眼睛

更多相关视频

Ultrasound Cyclo Plasty in Eyes with Glaucoma

Ultrasound Cyclo Plasty in Eyes with Glaucoma

Published on: January 26, 2018

$Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity$ 05:46

Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity

Published on: September 20, 2024

相关概念视频

Focusing of Light in the Eye

Focusing of Light in the Eye

Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...

Angle Closure Glaucoma: Treatment

Angle Closure Glaucoma: Treatment

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...

Glaucoma: Overview

Glaucoma: Overview

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...