stigmatism

• 名词，指光学系统（如透镜）使来自一点的各条光线会聚于一个焦点、或使眼睛具有正常视力的状态，即无散光；历史上也曾用来表示有圣痕的状态。

A noun referring to the condition of an optical system, such as a lens, where light rays from a single point converge at a single focal point, or normal eyesight; also historically used to describe the condition of having stigmata.

不可数

1. Condition of having stigmataC2formalmedical

   The state of having or being marked by stigmata, which are bodily marks or wounds resembling those of the crucifixion.

   圣痕状态

   • The nun's stigmatism was a subject of religious study.
   • Historical records describe cases of stigmatism in medieval saints.
   • The phenomenon of stigmatism is often associated with deep religious devotion.

2. Optical propertyC1formalscientific

   In optics, the condition of an optical system (such as a lens) where light rays from a single point converge at a single focal point, resulting in a clear image.

   共点性

   • The lens was designed to achieve perfect stigmatism.
   • Stigmatism in a telescope ensures sharp images of distant stars.
   • Optical engineers strive for stigmatism to minimize aberrations.

   反义词astigmatism

3. Normal eyesightB2formalmedical

   A term sometimes used to describe normal, healthy vision without astigmatism.

   正常视力

   • The eye exam confirmed he had stigmatism, meaning no refractive error.
   • Patients with stigmatism do not require corrective lenses for distance.
   • Stigmatism is the ideal state for clear and sharp vision.

   同义词emmetropia

   反义词astigmatism