两种扩展焦点深度内眼镜之间的视觉和主观结果的比较,重点是中视性能
Joaquin O De Rojas1, Helga P Sandoval2, Richard Potvin3
1Center For Sight/US Eye, Sarasota, FL, USA.
Journal of cataract and refractive surgery
|January 21, 2026
概括
在Symfony和Vivity扩展焦点深度内眼镜 (IOLs) 提供类似的视觉性能在昏暗的光线下. 在Symfony IOL显示稍微更好的视觉敏度,但报告了更多的光环和星爆.
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:
- 扩展焦点深度眼内透镜 (IOLs) 旨在改善多个距离的视力.
- 在低光条件下的表现对于患者的满意度和功能视力至关重要.
研究的目的:
- 为了比较两个扩展焦点深度IOLs的视觉结果:Symfony Optiblue和Vivity.
- 为了特别评估它们在昏暗的光线下 (mesopic条件) 的表现.
主要方法:
- 进行了一项前性,双面罩,随机的临床试验.
- 研究对象接受了Symfony Optiblue或Vivity IOL.
- 视觉敏度,失焦曲线,光学质量和模拟视觉障碍在间距条件下进行了评估.
主要成果:
- 两种IOL都表现出类似的折射结果和客观光学质量的改进.
- 在Symfony IOL显示在单眼近视眼视敏度上略有优势.
- 虽然光类似,但Symfony IOL与增加的光环和星爆有关.
结论:
- 两种扩展焦点深度的IOL都在暗光下提供了可比的视觉性能.
- 交响乐IOL在视觉敏度方面提供了微不足道的改善,但与增加视觉障碍 (如光环和星爆) 的权衡.
相关概念视频
Predicting Reaction Outcomes
10.3K
Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...
10.3K
The Sense of Self: Reflected Self-Appraisal and Social Comparison
55.5K
According to Charles Cooley, we base our image on what we think other people see (Cooley 1902). We imagine how we must appear to others, then react to this speculation. We don certain clothes, prepare our hair in a particular manner, wear makeup, use cologne, and the like—all with the notion that our presentation of ourselves is going to affect how others perceive us. We expect a certain reaction, and, if lucky, we get the one we desire and feel good about it. But more than that, Cooley...
55.5K
Outcomes of Glycolysis
106.8K
Nearly all the energy used by cells comes from the bonds that make up complex organic compounds. These organic compounds are broken down into simpler molecules, such as glucose. As a result, cells extract energy from glucose over many chemical reactions—a process called cellular respiration.
Cellular respiration can occur aerobically (with oxygen) or anaerobically (without oxygen). In the presence of oxygen, cellular respiration starts with glycolysis and continues with pyruvate...
Cellular respiration can occur aerobically (with oxygen) or anaerobically (without oxygen). In the presence of oxygen, cellular respiration starts with glycolysis and continues with pyruvate...
106.8K
Uniform Depth Channel Flow
536
Uniform depth channel flow keeps fluid depth consistent along channels such as irrigation canals. In natural channels, such as rivers, approximate uniform flow is often assumed. This condition occurs when the channel’s bottom slope matches the energy slope, balancing potential energy lost from gravity with head loss due to shear stress. This balance prevents depth changes along the channel length, resulting in a steady, uniform flow.Uniform flow in open channels with a constant cross-section...
536
Depth Perception and Spatial Vision
1.9K
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
1.9K
Cable Subjected to Its Own Weight
781
Overhead power transmission lines rely on cables to carry electricity across large distances. To ensure the stability and functionality of these lines, it is crucial to understand the shape and tension experienced by the cables under the influence of their weight.
A generalized loading function is employed to analyze a cable subjected to its own weight. This function considers the force acting along the cable's arc length rather than its projected length, providing a more accurate...
A generalized loading function is employed to analyze a cable subjected to its own weight. This function considers the force acting along the cable's arc length rather than its projected length, providing a more accurate...
781


