Exhibit 2: Lenses Product Catalogue

(Listed in alphabetical order)

Manufacturer Product line Lens power Lens material Coating Quality Indicative price (in United States dollars)
Carl Zeiss AG 13 Information not available

+0.75D to +4D

(0.25D interval)

Plastic HC ISO 9001 113.014 /pair (Retail price including frames)
Conant Optical 15 Semi-finished UV++ single vision blue cut lenses Information not available Resin UC/HC/HMC/SHMC16 CE 0.4 – 1.6 /pair
DOT Glasses Information not available Information not available Information not available Information not available Information not available 1.0/pair, 17 photochromic 3.0/ pair
Essilor Elements 1.56 Single Vision Lenses Information not available Information not available Information not available Information not available 17.0/pair (Retail price) 18
Hongchen Optical 19 Single Vision CR39 Lenses Information not available Resin mainly UC/HC/HMC CE, ISO 9001, ISO 13485, ISO 22196 0.6-0.8 /pair
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Manufacturer Product line Lens power Lens material Coating Quality Indicative price (in United States dollars)
Hoya Hilux 1.50 Hi- Vision Aqua -4D to +8D20 Plastic Coating with high level scratch, dust, and water resistance21 Information not available 30.0/pair22
See World Optical 23 Information not available Information not available Plastic HC CE, ISO 9001, FDA Information not available
Vivo Optics 24 Generic Lenses Information not available Resin mainly Basic coatings and super-hydrophobic A6 coating available ISO 9001 Information not available
Wanxin Optical 25 CLEAR Finished lends +0.25D to +10D Plastic Information not available CE, FDA Information not available
Yoli Optical 26 Single Vision -6D to +10D Resin UC/ HC/HMC/SHMC CE, ISO9001, TUV 0.7 – 0.9/pair
Zhenjiang Select Optical 27 Single Vision

0.25D to 8D

(0.25 interval)

Resin UC/HC/HMC/SHMC CE, ISO 9001 0.6 – 1.2/pair
6