Skip to main content
Fig. 3 | BMC Ophthalmology

Fig. 3

From: Eyelid squinting improves near vision in against-the-rule and distance vision in with-the-rule astigmatism in pseudophakic eyes: an eye model experimental study

Fig. 3

Simulated vision chart seen through the refractive statuses of − 1.50 D WTR and ATR simple myopic astigmatism (COAS vision simulation program). Without the slit, both groups could see best at a 1.3 m distance (at which the circle of least confusion coincides on the retina). With the slit, the distance at which the vertical focal lines lie on the retina showed better vision than before (6 m of the − 1.50 D WTR astigmatism and 67 cm of the − 1.50 D ATR astigmatism)

Back to article page