The most common symptom of mild astigmatism is

Spending little time outdoors, holding books very close to the eyes while reading or writing, and prolonged use of the eyes leading to eye fatigue may result in decreased vision, blurred reading, double vision, and other discomforts. When individuals experience these symptoms, they may have astigmatism—requiring corrective eyewear or surgical intervention. What is the most common symptom of mild astigmatism?

The most common symptom of mild astigmatism is:

Symptoms of mild astigmatism include impaired vision, partial squinting (strabismus), and visual fatigue. Astigmatism arises from refractive error, thus frequently causing reduced visual acuity. In cases of low-degree astigmatism, visual impairment may not be particularly noticeable. However, with higher degrees of astigmatism, both distance and near vision become blurry. When astigmatism is present, the curvature of the cornea changes, causing images of objects viewed in front of the eye to become distorted upon reaching the retina. Consequently, objects often appear persistently blurry. To see nearby objects more clearly, individuals unconsciously adjust their viewing posture or orientation. Due to astigmatism, retinal images become both blurred and distorted, placing the retina in a state of continuous accommodative effort.

For mild astigmatism, corrective lenses are generally unnecessary if no visual impairment exists and if there is no associated decline in visual acuity or amblyopia. Glasses are required only when visual acuity deteriorates. Clinically, astigmatism is quite common—primarily resulting from congenital asymmetry of the corneal curvature, which causes light rays entering the eye to scatter rather than focus into a single point on the retina; this condition is termed astigmatism. Mild astigmatism refers specifically to astigmatism measuring less than 2.00 diopters (D).

Whether to wear corrective lenses for astigmatism should be determined based on whether visual function is compromised. We hope this response has been helpful to you.