v3.26.1
Document And Entity Information
3 Months Ended
Apr. 03, 2026
Cover [Abstract]  
Document Type 10-Q
Amendment Flag false
Document Period End Date Apr. 03, 2026
Document Fiscal Year Focus 2026
Document Fiscal Period Focus Q1
Entity Registrant Name STAAR Surgical Co
Entity Central Index Key 0000718937
Current Fiscal Year End Date --12-27
Entity Filer Category Large Accelerated Filer
Trading Symbol STAA
Entity Emerging Growth Company false
Entity Small Business false
Entity Current Reporting Status Yes
Entity Shell Company false
Entity Interactive Data Current Yes
Entity File Number 0-11634
Title of 12(b) Security Common
Security Exchange Name NASDAQ
Entity Tax Identification Number 95-3797439
Entity Address, Address Line One 25510 Commercentre Drive
Entity Address, City or Town Lake Forest
Entity Address, State or Province CA
Entity Address, Postal Zip Code 92630
City Area Code 626
Local Phone Number 303-7902
Entity Incorporation, State or Country Code DE
Document Quarterly Report true
Document Transition Report false