前部,后部和全角膜纹的年龄相关变化
Thananop Pothikamjorn1, Nuntachai Surawatsatien2,3, Somtaporn Ueathaweephol3
1Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand.
Clinical ophthalmology (Auckland, N.Z.)
|August 14, 2025
概括
角膜纹症 (KA,PCA,TCA) 的与年龄相关的变化对眼镜 (IOL) 的计算具有意义. 了解这些转变对于优化白内障手术患者的视觉结果至关重要.
科学领域:
- 眼科医生 眼科 眼科
- 角膜生理学 角膜生理学
- 生物医学光学 生物医学光学
背景情况:
- 眼镜 (IOL) 的计算传统上使用前角膜纹症 (KA).
- 最近的趋势主张将后角膜白症 (PCA) 和全角膜白症 (TCA) 纳入.
- 关于PCA和TCA与年龄和性别相关的差异的研究有限.
研究的目的:
- 评估KA,PCA和TCA的与年龄相关的变化和基于性别的差异.
- 评估这些变化对托里克IOL计算的影响.
主要方法:
- 横截面观测研究.
- 使用IOLMaster 700进行生物识别测量.
- 排除有角膜移植史或角质病的患者.
主要成果:
- 在较年轻的患者中,PCA显示出明显的分布,主要与规则 (WTR) 一致.
- 在KA,PCA和TCA中,违反规则 (ATR) 纹的患病率随着年龄的增长而增加.
- 在KA,PCA和TCA的特定年龄门上观察到与年龄相关的显著转变,从WTR转向ATR.
- 与PCA不同的是,KA和TCA随着年龄的增长,向超鼻斜方向的转变.
- 没有显著的基于性别的差异,在的向量分布.
结论:
- 临床医生必须考虑与年龄相关的带变化,以选择胸部内膜眼镜,特别是在年轻的患者中.
- 术前咨询应包括潜在的长期转向ATR导向的转变.
- 将与年龄相关的变化纳入 toric IOL配方可能会改善患者的治疗结果.
更多相关视频
07:51Full-Field Optical Coherence Microscopy for Histology-Like Analysis of Stromal Features in Corneal Grafts
Published on: October 21, 2022
1.7K
05:46Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity
Published on: September 20, 2024
527
相关概念视频
01:16Focusing of Light in the Eye
3.2K
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...
3.2K
01:25Glaucoma: Overview
755
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...
755