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Disaggregation of Revenues, Geographic Sales and Product Sales (Tables) | 12 Months Ended
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Dec. 28, 2018
Segment Reporting [Abstract] |
Disaggregation of Revenue | In the following tables, revenues are disaggregated by category, sales by geographic market and sales by product data. The following breaks down revenues into the following categories (in thousands):
|  | Years Ended |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Non-consignment sales |  | $ | 106,338 |  |  | $ | 74,163 |  |  | $ | 65,037 |
Consignment sales |  |  | 17,616 |  |  |  | 16,448 |  |  |  | 17,395 |
Total net sales |  |  | 123,954 |  |  |  | 90,611 |  |  |  | 82,432 |
Revenue from External Customers by Geographic Areas | The composition of the Company’s net sales to unaffiliated customers was as follows (in thousands):
|  | Years Ended |
|  | 2018 |  |  | 2017 |  |  | 2016 |
China(1) |  | $ | 46,070 |  |  | $ | 24,473 |  |  | $ | 16,624 |
Japan |  |  | 23,151 |  |  |  | 18,125 |  |  |  | 17,327 |
United States |  |  | 7,316 |  |  |  | 7,894 |  |  |  | 9,859 |
Other(2) |  |  | 47,417 |  |  |  | 40,119 |  |  |  | 38,622 |
Total net sales |  | $ | 123,954 |  |  | $ | 90,611 |  |  | $ | 82,432 |
(1) | Starting in fiscal 2018, the China region includes sales into China and Hong Kong. Sales for fiscal 2017 and 2016, also reflect sales into Hong Kong so as to be comparable to 2018 presentation, where previously Hong Kong sales were included in the other line item.
(2) | No other location individually exceeds 10% of the total net sales.
In addition, domestic and foreign sales were as follows (in thousands):
|  | Years Ended |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Domestic |  | $ | 7,316 |  |  | $ | 7,894 |  |  | $ | 9,859 |
Foreign |  |  | 116,638 |  |  |  | 82,717 |  |  |  | 72,573 |
Total net sales |  | $ | 123,954 |  |  | $ | 90,611 |  |  | $ | 82,432 |
Revenue from External Customers by Products and Services | The composition of the Company’s net sales by product line was as follows (in thousands):
|  | Years Ended |
|  | 2018 |  |  | 2017 |  |  | 2016 |
ICLs |  | $ | 101,082 |  |  | $ | 68,325 |  |  | $ | 59,111 |
Other product sales |  |  |  |  |  |  |  |  |  |  |  |
IOLs |  |  | 16,193 |  |  |  | 17,258 |  |  |  | 19,706 |
Other surgical products |  |  | 6,679 |  |  |  | 5,028 |  |  |  | 3,615 |
Total other product sales |  |  | 22,872 |  |  |  | 22,286 |  |  |  | 23,321 |
Total net sales |  | $ | 123,954 |  |  | $ | 90,611 |  |  | $ | 82,432 |
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas | The composition of the Company’s long-lived assets, consisting of property and equipment, net, and intangible assets, net, between those in the United States, Switzerland, and Japan is set forth below as of December 28, 2018 and December 29, 2017 (in thousands):
|  | 2018 |  |  | 2017 |
U.S. |  | $ | 10,416 |  |  | $ | 8,523 |
Switzerland |  |  | 705 |  |  |  | 912 |
Japan |  |  | 573 |  |  |  | 612 |
Total |  | $ | 11,694 |  |  | $ | 10,047 |

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