LightStream Technology from Alcon was developed to address common challenges faced by contact lens wearers, such as visual disturbances, discomfort, and dryness. It is a proprietary manufacturing process that utilizes advanced optics and precision engineering to create contact lenses with exceptional optical performance.
LightStream Technology Further Explained
LightStream Technology has been around since the introduction of Focus Dailies back in the late 90's under the CIBA Vision brand. LightStream Technology is defined by a multi-stage manufacturing process using precise quartz and glass molds. These molds play a crucial role in the contact lens manufacturing process. To create the lenses, a specific lens shape is incorporated into the surfaces of the molds. The manufacturing process is divided into different stages, each of which takes place in a controlled environment. The entire process is highly automated, starting from injecting the lens material into the molds to producing lenses in packs ready for sterilization.
Furthermore, the process utilizes ultraviolet light, which is limited to specific areas using a mask. This triggers a unique polymer cross-linking process within the mold while the masked material can then be washed away. As a result, the lenses and their edges are highly precise and designed to maximize comfort during wear. After completing the cross-linking process, the lenses are removed from the molds using vacuum grippers. Each lens goes through an automated inspection to detect any defects. The molds are continuously cycled through, washed and reused. After removal, the lenses are placed in blister packs, filled with a specific amount of saline solution, and sealed in a controlled environment. The packs are subsequently sterilized, packaged in 30 or 90-lens boxes, and labeled for distribution.
Contact Lenses with LightStream Technology
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