Cataract is a disease inevitable with age, which may affect negatively people's quality of life and their vision. Cataract surgery has evolved in recent years, it is the most performed surgery worldwide and one of the most cost-effective. Portugal is the country with the highest rate of cataract operations in Europe, with 14 surgeries per 1,000 inhabitants, and the volume of surgeries increased from 14.226 in 1993 to 146.958 in 2015.
It is critical to generate and publish information of the value that patients are having with this treatment in the country.
Outcomes
Number of patients
Total number of patients submitted to cataract surgery.
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Total patients
Number of surgeries
Total number of eyes operated to cataract surgery by laterality.
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Total surgeries
Surgery Outcomes
Outcomes reported by patients (Catquest-9SF total score)
Catquest-9SF total score before and after cataract surgery, showing how cataract surgery affected patients vision-related activity, measured by the questionnaire Catquest 9SF.
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Pre surgery
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Post surgery
Outcomes reported by patients (Catquest-9SF individual question score)
Average score for each Catquest-9SF question before and after surgery, showing how cataract surgery affected patients vision-related activity by activity (question).
Difficulties in general
Question 1
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Pre op
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Pos op
Satisfaction with vision
Question 2
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Pre op
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Pos op
Reading
Question 3
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Pre op
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Pos op
Face recognition
Question 4
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Pre op
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Pos op
Check prices at the supermarket
Question 5
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Pre op
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Pos op
See for walking on uneven surfaces
Question 6
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Pre op
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Pos op
See for handicrafts
Question 7
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Pre op
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Pos op
Read subtitles on TV
Question 8
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Pre op
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Pos op
See to engage in hobbies
Question 9
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Pre op
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Pos op
Percentage of patients who improved after surgery
Percentage of patients who improved, worsened or maintained their vision-related activity after surgery, according to Catquest 9SF
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Post-surgery corrected distance visual acuity
Percentage of surgeries with corrected distance visual acuity above 0.5D and 1D after surgery.
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Prediction error
Percentage of surgeries with prediction error within 0.5D and 1D
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Complications
Intra-surgery complications
Percentages of surgeries with complications during surgery by complication type.
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Post-surgery complications
Percentages of surgeries with complications after surgery by complication type.
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Lens type
Lens type
Percentage of surgeries with each lens type.
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Catquest-9SF total score
Surgery impact on vision-related activity by lens type.
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Post-surgery corrected distance visual acuity
Percentage of surgeries with corrected distance visual acuity above 0.5D and 1D after surgery, by lens type.
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Technical factors
Surgeries with technical factors
Percentage of surgeries with technical factors that increase surgical difficulty
