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Stigmatism (Noun)

(optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point.

Nouns denoting natural processes.

The lens was designed to minimize stigmatism and produce a clear image.
Stigmatism in the telescope's optics resulted in blurry images of distant stars.
The optician carefully adjusted the lens to correct for stigmatism and improve the microscope's resolution.
The camera's lens was prone to stigmatism, causing the edges of the image to appear distorted.
The new lens design was engineered to reduce stigmatism and provide sharper images at high magnifications.

The condition of having or being marked by stigmata.

Nouns denoting natural processes.

Normal eyesight.

Nouns denoting cognitive processes and contents.

People with normal eyesight typically do not suffer from astigmatism, which is a common vision condition that causes blurred vision.
The optometrist checked her patient's eyes for signs of astigmatism, but fortunately, her eyesight was perfectly normal.
A person with normal eyesight will not experience the eye strain and blurred vision that often accompany astigmatism.
The study found that most participants had normal eyesight, with no significant evidence of astigmatism or other vision problems.
Regular eye exams can help detect astigmatism and other vision problems in children, ensuring that any issues are treated before they affect normal eyesight.