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Disaggregation of Revenues, Geographic Sales and Product Sales - Net Sales by Products and Services (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2022
Dec. 31, 2021
Jan. 01, 2021
Product Information [Line Items]      
Total other product sales $ 14,679 $ 17,567 $ 22,053
Total net sales 284,391 230,472 163,460
ICLs [Member]      
Product Information [Line Items]      
Revenue from contract with customer, excluding assessed tax 269,712 212,905 141,407
Cataract IOLs [Member]      
Product Information [Line Items]      
Total other product sales 9,638 12,519 13,574
Other surgical products [Member]      
Product Information [Line Items]      
Total other product sales [1] $ 5,041 $ 5,048 $ 8,479
[1]

Other surgical products include delivery systems and normal recurring sales adjustments such as sales return allowances.