Astigmatism occurs when the eye is shaped more like an oval than a sphere, causing blurry vision. Astigmatism affects about one in three Americans and it occurs more frequently as you age.

Lower-order aberrations — defocus and astigmatism — are responsible ... Figure 3 shows an eye model with a real crystalline lens shape and two other models with other hypothetical shapes.

The COVID-19 pandemic has led to increased astigmatism in children, with prolonged screen time and less outdoor activity ...

In general, patients will find 1 D or more of astigmatism to be significant, although some may find lesser amounts to be bothersome. One study suggests that as many as 20% of eyes with cataract ...

Both refractive and corneal astigmatism saw an increase in prevalence in children after the COVID-19 pandemic, with corneal ...

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The content creator, whose real name is Jimmy Donaldson ... I get this comment a lot and it's why I got my eyes examined and I found out I have a severe astigmatism and my vision is horrible.

In this study, lifestyle changes after the pandemic were associated with an increase in the prevalence and severity of child astigmatisms, likely associated with changes in the developing cornea. The ...

The study findings indicated that lifestyle changes associated with the COVID-19 pandemic were connected to an increase in childhood astigmatisms.

The prevalence and severity of refractive astigmatism and corneal astigmatism increased among schoolchildren after th ...

The prevalence and severity of refractive astigmatism and corneal astigmatism increased among schoolchildren after the ...