Demographic factors
INCLUSION CRITERIA: All patients TIMING: Pre-operative period REPORTING SOURCE: Clinical or administrative data
date
INCLUSION CRITERIA: All patients TIMING: Pre-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single Answer
integer
Baseline visual status
Details such as distance, chart type, and specific equipment will be left to each institution INCLUSION CRITERIA: All patients undergoing cataract surgery (independent of method of surgery), excluding patients that cannot cooperate TIMING: Pre-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Results reported in format chosen by institution
text
Details such as distance, chart type, and specific equipment will be left to each institution INCLUSION CRITERIA: All patients undergoing cataract surgery (independent of method of surgery), excluding patients that cannot cooperate TIMING: Pre-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Results reported in format chosen by institution
text
Details such as distance, chart type, and specific equipment will be left to each institution INCLUSION CRITERIA: All patients undergoing cataract surgery (independent of method of surgery), excluding patients that cannot cooperate TIMING: Pre-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Results reported in format chosen by institution
text
Details such as distance, chart type, and specific equipment will be left to each institution INCLUSION CRITERIA: All patients undergoing cataract surgery (independent of method of surgery), excluding patients that cannot cooperate TIMING: Pre-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Results reported in format chosen by institution
text
INCLUSION CRITERIA: All patients undergoing cataract surgery (independent of method of surgery), excluding patients that cannot cooperate TIMING: Pre-operative period REPORTING SOURCE: Clinical TYPE: Single Answer
integer
For surgical eye INCLUSION CRITERIA:All patients undergoing cataract surgery (independent of method of surgery) TIMING: Pre-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Spherical target refraction
text
For surgical eye INCLUSION CRITERIA:All patients undergoing cataract surgery (independent of method of surgery) TIMING: Pre-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Spherical target refraction
text
For surgical eye INCLUSION CRITERIA:All patients undergoing cataract surgery (independent of method of surgery) TIMING: Pre-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Cylinder target refraction
text
For surgical eye INCLUSION CRITERIA:All patients undergoing cataract surgery (independent of method of surgery) TIMING: Pre-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Cylinder target refraction
text
For surgical eye INCLUSION CRITERIA:All patients undergoing cataract surgery (independent of method of surgery) TIMING: Pre-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Axis target refraction
text
For surgical eye INCLUSION CRITERIA:All patients undergoing cataract surgery (independent of method of surgery) TIMING: Pre-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Axis target refraction
text
Ocular Comorbidities
INCLUSION CRITERIA: All patients TIMING: Pre-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
INCLUSION CRITERIA: All patients TIMING: Pre-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
INCLUSION CRITERIA: All patients TIMING: Pre-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
INCLUSION CRITERIA: All patients TIMING: Pre-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
Other: e.g. uveitis, vitreous hemorrhage, optic nerve disease, and retinal detachment INCLUSION CRITERIA: All patients TIMING: Pre-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
Prior ophthalmic interventions
INCLUSION CRITERIA: All patients TIMING: Pre-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
INCLUSION CRITERIA: All patients TIMING: Pre-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
INCLUSION CRITERIA: All patients TIMING: Pre-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
Other: e.g. filtering surgery and pterygium excision INCLUSION CRITERIA: All patients TIMING: Pre-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
Technical Factors
INCLUSION CRITERIA: All patients TIMING: Intra-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
Non-significant: opacities present but not impairing view of surgical field Significant: impairing view of the surgical field (iris and lens capsule) INCLUSION CRITERIA: All patients TIMING: Intra-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
INCLUSION CRITERIA: All patients TIMING: Intra-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
Non-severe: pupillary problems noted but not requiring a significant modification of surgical technique, and are unlikely to affect outcome Severe: pupillary problems (e.g. miosis, floppy iris syndrome) that require a significant modification of surgical technique and present a threat to surgical outcome INCLUSION CRITERIA: All patients TIMING: Intra-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
TREATMENT VARIABLES
Intra-operative complications
INCLUSION CRITERIA: All cases of intra-operative communication between AC and vitreous, excluding cases in which communication between AC and vitreous existed prior to surgery TIMING: Intra-operative period REPORTING SOURCE: Clinical TYPE: Single answer
integer
INCLUSION CRITERIA: All cases of intra-operative communication between AC and vitreous, excluding cases in which communication between AC and vitreous existed prior to surgery TIMING: Intra-operative period REPORTING SOURCE: Clinical TYPE: Single answer
integer
INCLUSION CRITERIA: All cases of intra-operative communication between AC and vitreous, excluding cases in which communication between AC and vitreous existed prior to surgery TIMING: Intra-operative period REPORTING SOURCE: Clinical TYPE: Single answer
integer
INCLUSION CRITERIA: All cases in which lens matter enters the vitreous intra-operatively TIMING: Intra-operative period REPORTING SOURCE: Clinical TYPE: Single answer
integer
Other: e.g. extensive bleeding in the anterior segment, flat chamber with high IOP, etc. INCLUSION CRITERIA: Excluding harmless complications that do not affect surgery or are not a threat to the vision outcome, interrupted surgery (e.g. surgery that was not started) TIMING: Intra-operative period REPORTING SOURCE: Clinical TYPE: Single answer
integer
Post-operative visual status
Details such as distance, chart type, and specific equipment will be left to each institution INCLUSION CRITERIA: All patients undergoing cataract surgery (independent of method of surgery), excluding patients that cannot cooperate TIMING: Post-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Results reported in format chosen by institution
text
Details such as distance, chart type, and specific equipment will be left to each institution INCLUSION CRITERIA: All patients undergoing cataract surgery (independent of method of surgery), excluding patients that cannot cooperate TIMING: Post-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Results reported in format chosen by institution
text
Details such as distance, chart type, and specific equipment will be left to each institution INCLUSION CRITERIA: All patients undergoing cataract surgery (independent of method of surgery), excluding patients that cannot cooperate TIMING: Post-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Results reported in format chosen by institution
text
Details such as distance, chart type, and specific equipment will be left to each institution INCLUSION CRITERIA: All patients undergoing cataract surgery (independent of method of surgery), excluding patients that cannot cooperate TIMING: Post-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Results reported in format chosen by institution
text
INCLUSION CRITERIA: All patients undergoing cataract surgery (independent of method of surgery), excluding patients that cannot cooperate TIMING: Post-operative period REPORTING SOURCE: Clinical TYPE: Single Answer
integer
For surgical eye INCLUSION CRITERIA:All patients undergoing cataract surgery (independent of method of surgery) TIMING: Post-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Spherical target refraction
text
For surgical eye INCLUSION CRITERIA:All patients undergoing cataract surgery (independent of method of surgery) TIMING: Post-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Spherical target refraction
text
For surgical eye INCLUSION CRITERIA:All patients undergoing cataract surgery (independent of method of surgery) TIMING: Post-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Cylinder target refraction
text
For surgical eye INCLUSION CRITERIA:All patients undergoing cataract surgery (independent of method of surgery) TIMING: Post-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Cylinder target refraction
text
For surgical eye INCLUSION CRITERIA:All patients undergoing cataract surgery (independent of method of surgery) TIMING: Post-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Axis target refraction
text
For surgical eye INCLUSION CRITERIA:All patients undergoing cataract surgery (independent of method of surgery) TIMING: Post-operative period REPORTING SOURCE: Clinical RESPONSE OPTIONS: Axis target refraction
text
Post-operative complications
Only include those cases caused by either an intra-operative or post-operative complication following cataract surgery INCLUSION CRITERIA: Excluding cases when the reason for return to theater is not related to either an intra-operative or post-operative complication of initial cataract surgery TIMING: Post-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
Due to suspected or proven intra-ocular infection attributed to the surgery INCLUSION CRITERIA: All cases of suspected endophthalmitis, whether culture-proven (e.g. positive culture) or those with a negative culture that behave clinically like infection (e.g. respond to antibiotics) TIMING: Post-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
INCLUSION CRITERIA: All cases of persistent corneal edema post-operatively TIMING: Post-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
Such as persistent elevated IOP with need for medication, uveitis with need for medication, wound problems that mean repeated visits to the clinic, etc. INCLUSION CRITERIA: Excluding complications that cause return to operating theater TIMING: Post-operative period REPORTING SOURCE: Clinical or administrative data TYPE: Single answer
integer
Patient-reported visual function
INCLUSION CRITERIA: All patients TIMING: Pre-operative period Post-operative period REPORTING SOURCE: Patient-reported TYPE: Single answer
integer
INCLUSION CRITERIA: All patients TIMING: Pre-operative period Post-operative period REPORTING SOURCE: Patient-reported TYPE: Single answer
integer
INCLUSION CRITERIA: All patients TIMING: Pre-operative period Post-operative period REPORTING SOURCE: Patient-reported TYPE: Single answer
integer
INCLUSION CRITERIA: All patients TIMING: Pre-operative period Post-operative period REPORTING SOURCE: Patient-reported TYPE: Single answer
integer
INCLUSION CRITERIA: All patients TIMING: Pre-operative period Post-operative period REPORTING SOURCE: Patient-reported TYPE: Single answer
integer
INCLUSION CRITERIA: All patients TIMING: Pre-operative period Post-operative period REPORTING SOURCE: Patient-reported TYPE: Single answer
integer
INCLUSION CRITERIA: All patients TIMING: Pre-operative period Post-operative period REPORTING SOURCE: Patient-reported TYPE: Single answer
integer
INCLUSION CRITERIA: All patients TIMING: Pre-operative period Post-operative period REPORTING SOURCE: Patient-reported TYPE: Single answer
integer
INCLUSION CRITERIA: All patients TIMING: Pre-operative period Post-operative period REPORTING SOURCE: Patient-reported TYPE: Single answer
integer