Changes of visual function and visual ability in daily life following cataract surgery

Area of Science:

• Ophthalmology
• Geriatric Medicine
• Vision Science

Background:

• Cataract surgery is a common procedure for elderly patients.
• Assessing the full impact of cataract surgery requires evaluating both objective visual function and subjective patient experience.
• Previous studies often focus on objective outcomes, potentially overlooking patient-perceived visual abilities.

Purpose of the Study:

• To investigate the impact of cataract surgery on objective and subjective visual abilities in patients aged 70-79.
• To determine the correlation between objective visual measurements and self-assessed visual task performance post-surgery.

Main Methods:

• Prospective study involving 56 patients (70-79 years) undergoing cataract surgery.
• Collected data from 46 patients on binocular visual acuity, near vision, and contrast sensitivity.
• Utilized a questionnaire to assess self-reported ability to perform visually related tasks.

Main Results:

• Significant improvements were observed in binocular visual acuity, near vision, and contrast sensitivity following surgery.
• No straightforward correlation was found between objective visual improvements and patients' perceived visual ability.
• Preoperative visual acuity impairment did not consistently predict specific losses in self-assessed visual ability.

Conclusions:

• Cataract surgery effectively enhances objective visual parameters.
• Subjective visual ability and objective measurements do not always align, indicating a gap in perceived outcomes.
• Incorporating subjective patient perspectives is crucial for optimizing cataract surgery decisions and results evaluation.