Eckstein 1999.

Methods	The eye to be operated on first and the procedure to be used was randomly assigned. The second eye automatically had the alternative procedure.
Participants	Number enrolled: 130 eyes of 65 children. Age: 3 months to 10 years. Inclusion criteria: 0 to 10 years; resident in Tamil Nadu or Kerala; bilateral symmetrical cataracts both requiring surgery. Exclusion criteria: ill or underweight; pre‐existing ocular disease.
Interventions	Lensectomy versus lens aspiration and primary capsulotomy.
Outcomes	Visual acuity; complications (iritis, posterior capsule opacification, glaucoma); secondary surgical intervention rates.
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Low risk	A ‐ Adequate