Acceptance of Weak Cylinders at Paradoxic Axes

Influence of simple myopic against-the-rule and with-the-rule astigmatism on visual acuity in eyes with monofocal intraocular lenses

“…It is known that horizontal blur of letters has a greater impact on legibility than other orientations [4,10,46] and that neural adaptations, affecting clear vision determination and blur sensitivity, may occur in the presence of astigmatism [47][48][49]. However, in the present study, we measured UDVA with a Landolt ring, not a letter chart.…”

“…In order to consider the proper indication of toric IOLs and comprehend the influence of residual astigmatism, it is important to understand the relation between astigmatism and visual function. The astigmatic power and axis orientation have been shown to play an essential role in postoperative visual performance [4][5][6][7][8][9][10][11][12][13]. Several studies have shown that eyes with uncorrected oblique astigmatism have poorer visual performance than those with uncorrected against-the-rule (ATR) or with-the-rule (WTR) astigmatism [14][15][16][17][18][19].…”

Influence of simple myopic against-the-rule and with-the-rule astigmatism on visual acuity in eyes with monofocal intraocular lenses

“…It is known that horizontal blur of letters has a greater impact on legibility than other orientations [4,10,46] and that neural adaptations, affecting clear vision determination and blur sensitivity, may occur in the presence of astigmatism [47][48][49]. However, in the present study, we measured UDVA with a Landolt ring, not a letter chart.…”

“…In order to consider the proper indication of toric IOLs and comprehend the influence of residual astigmatism, it is important to understand the relation between astigmatism and visual function. The astigmatic power and axis orientation have been shown to play an essential role in postoperative visual performance [4][5][6][7][8][9][10][11][12][13]. Several studies have shown that eyes with uncorrected oblique astigmatism have poorer visual performance than those with uncorrected against-the-rule (ATR) or with-the-rule (WTR) astigmatism [14][15][16][17][18][19].…”

Influence of simple myopic against-the-rule and with-the-rule astigmatism on visual acuity in eyes with monofocal intraocular lenses

“…It is known that horizontal blur of letters has a greater impact on legibility than other orientations [4,10,46] and that neural adaptations, affecting clear vision determination and blur sensitivity, may occur in the presence of astigmatism [47][48][49]. However, in the present study, we measured UDVA with a Landolt ring, not a letter chart.…”

“…In order to consider the proper indication of toric IOLs and comprehend the influence of residual astigmatism, it is important to understand the relation between astigmatism and visual function. The astigmatic power and axis orientation have been shown to play an essential role in postoperative visual performance [4][5][6][7][8][9][10][11][12][13]. Several studies have shown that eyes with uncorrected oblique astigmatism have poorer visual performance than those with uncorrected against-the-rule (ATR) or with-the-rule (WTR) astigmatism [14][15][16][17][18][19].…”

Influence of simple myopic against-the-rule and with-the-rule astigmatism on visual acuity in eyes with monofocal intraocular lenses

“…It is known that horizontal blur of letters has a greater impact on legibility than other orientations [4,10,46] and that neural adaptations, affecting clear vision determination and blur sensitivity, may occur in the presence of astigmatism [47][48][49]. However, in the present study, we measured UDVA with a Landolt ring, not a letter chart.…”

“…In order to consider the proper indication of toric IOLs and comprehend the influence of residual astigmatism, it is important to understand the relation between astigmatism and visual function. The astigmatic power and axis orientation have been shown to play an essential role in postoperative visual performance [4][5][6][7][8][9][10][11][12][13]. Several studies have shown that eyes with uncorrected oblique astigmatism have poorer visual performance than those with uncorrected against-the-rule (ATR) or with-the-rule (WTR) astigmatism [14][15][16][17][18][19].…”