To assess the rotation stability of toric intraocular lenses between sitting or routine settings (sitting, going around) after cataract operation.

To assess the rotation stability of toric intraocular lenses between sitting or routine settings (sitting, going around) after cataract operation.

Inclusion Criteria:

• Cataract
• Age 21 and older
• Regular corneal astigmatism ≥ 1.5 D
• written informed consent prior to surgery

Exclusion Criteria:

• Relevant other ophthalmic diseases such as: pseudoexfoliation, traumatic cataract corneal scars, and other co-morbidity that could affect capsule bag stability ( e.g. Marfan syndrome)
• High myopia (> 29 mm AL)
• Irregular corneal astigmatism on corneal topography
• In case of pregnancy (pregnancy test will be taken preoperatively in women of reproductive age)