"山脊标志"用于识别前后平面在小切割镜片提取中
Tushya Om Parkash1, Rohit Om Parkash1, Sehar Om Parkash1
1Department of Refractive Surgery, Dr Om Parkash Eye Institute, Amritsar, India.
Clinical ophthalmology (Auckland, N.Z.)
|December 17, 2024
概括
"标志"是在小切口镜片提取 (SMILE) 手术期间区分前后镜片平面的可靠指标. 这种标志确保了精确的剖析,防止并发症,并实现了成功的晶片提取.
科学领域:
- 眼科医生 眼科 眼科
- 折射手术是一种折射手术.
- 眼科手术 眼科手术
背景情况:
- 小切口镜片提取 (SMILE) 是一种流行的折射手术程序.
- 精确剖析镜片平面对于成功的SMILE结果至关重要.
- 防止无意的帽子晶状体粘附和晶状体撕裂是一个关键的手术挑战.
研究的目的:
- 描述和验证该公司的产品.
- 峰标志 标志 标志 标志
- 作为SMILE中前后镜片平面区分的最终地标.
- 评估该系统的实用性.
- 峰标志 标志 标志 标志
- 在指导SMILE手术过程中的外科解剖.
主要方法:
- 五秒激光应用用于SMILE程序.
- 这是一个很棒的节目,这是一个很棒的节目.
- 峰标志 标志 标志 标志
- 在切割和未切割的镜片平面的交叉点被确定.
- 手术剖析涉及用粗的剖析器抬起盖子,以提高标志的可见性.
主要成果:
- 这项研究包括400只眼睛接受SMILE.
- 这是一个很棒的节目,这是一个很棒的节目.
- 峰标志 标志 标志 标志
- 在96%的案例中观察到,顶部接口首先被分离.
- 在初始分离不正确的情况下,该标志在4%的病例中不存在,并且实现了100%的成功晶片提取.
结论:
- 这是一个很棒的节目,这是一个很棒的节目.
- 峰标志 标志 标志 标志
- 在SMILE手术中作为一个有价值的确认标志.
- 它有助于精确的前面平面剖析,确保平滑的晶片提取.
- 该标志有助于预防诸如帽子镜片粘附,镜片撕裂和部分剖析等并发症.
相关概念视频
01:12Differential Leveling
Differential leveling is a precise method in surveying used to determine the elevation difference between two points. Its primary goal is to establish accurate vertical measurements to create level surfaces or grade lines critical for designing and constructing infrastructures such as roads, bridges, and buildings.The procedure for differential leveling begins with setting up and leveling the instrument at a point where the benchmark can be seen. The level rod is held on the benchmark (BM), and...
01:22Level Curves and Contour Maps
Level curves and contour maps provide a way to visualize functions of two variables on a two-dimensional plane. A useful example is a topographic map, where curved lines represent locations that share the same elevation. In mathematics, these curves are called level curves or contour lines. Each contour line corresponds to points in the domain where the function has a constant value. For a function of two variables written as z = f(x,y), a level curve is defined by the equation f(x,y) = k,...
01:14Interpretations of Partial Derivatives
A surface defined by a function of two variables can be visualized as a vast, uneven terrain, where each point is identified using Cartesian coordinates. The elevation of the terrain at any point is determined by a function that assigns a height value to every pair of horizontal coordinates. This representation allows the surface to be studied in terms of how its height varies across different directions.At a specific point on this terrain, understanding how the height changes requires...
01:19Tangent Planes to Surfaces
In multivariable calculus, the concept of a tangent plane plays a central role in approximating curved surfaces. When dealing with a surface defined by a function of two variables, such as z = f(x, y), the tangent plane at a given point provides the best linear approximation to the surface near that point. This local linearization allows complex, nonlinear geometries to be treated using simpler, planar models.The construction of the tangent plane involves taking vertical slices of the surface...
01:31Tangent Planes to Level Surfaces
A level surface consists of all points in space where a function of three variables takes the same fixed value. If a point lies on this surface, understanding the surface’s geometry there requires more than just knowing the point’s coordinates; it requires describing how the surface is oriented, or how it tilts, near that point.To probe this local geometry, imagine tracing a path that stays entirely on the level surface and passes through the point of interest. This path can be described as a...