For lens distributors and wholesalers, scratches on lenses are a major cause of customer complaints.
Therefore, understanding the main reasons why lenses are prone to scratching and how to solve this problem is crucial information for lens distributors and wholesalers.
This article will explain this issue in detail from the perspective of optical lens manufacturers, hoping to provide some assistance to lens buyers.
Why Do Lenses Scratch Easily？
1.Material：
Currently, 95% of lenses on the market use resin lenses as raw materials, including CR39, NK55, poly, MR-7, MR-8, PMMA, and MR-174, all collectively known as resin lenses.
Unlike glass lenses, Resin lenses have lower hardness than glass lenses, making the material itself more susceptible to scratches.
2.Poor quality coating protection:
*Hard coating:The hard coating is the first layer applied to the lens material to make the lens surface harder, extend its lifespan, and provide excellent protection.
*hard multi coating:The hard coating is the first layer applied to the lens material, making the lens surface more durable, extending its lifespan, and providing excellent protection.
The hard multi-coating is the second layer applied over the hard coating. It also increases the lens’s hardness, effectively protecting it.
Simultaneously, it increases lens clarity, reduces reflections, resulting in sharper vision and greater visual comfort.
*Hydrophobic coating:Hydrophobic coating, as a more advanced coating layer, not only provides additional protection for the lenses, but also makes them easier to clean due to its smoother surface, greatly reducing the risk of scratches.
Generally speaking, whether a lens is easily scratched depends mainly on the quality of its coating. Therefore, choosing a reliable lens manufacturer is especially important.
Therefore, a qualified coating plays a crucial role in whether a lens is scratch-resistant.If the lens coating is of poor quality, the probability of the lens getting scratched will be very high.
The quality of coating largely depends on the coating machine. Many factories choose to use second-hand or domestically produced coating machines to reduce costs.
Trust Industrial, however, uses Nevac coating machines from South Korea to ensure the high quality of its lenses, guaranteeing the high quality of the coating layer on its products.
3.Non-standard quality control
As a lens manufacturer, protecting lenses from scratches during production and rigorously selecting defective lenses through strict quality control are fundamental to maintaining lens quality.
If a lens manufacturer has irregularities in production processes or lax quality control, the lenses are highly likely to have scratches even before leaving the factory.
4.Incorrect cleaning methods：
Eyeglasses are used very frequently in our daily lives, so cleaning the lenses is something that lens users often do. If not cleaned properly, the lenses can easily get scratched, obstruct vision, and reduce visual comfort.
5.Contact with hard objects
As eyeglasses are one of the items we carry frequently in our daily lives, proper storage is extremely important.
Improper storage can cause the lenses to come into direct contact with other hard objects, easily scratching the protective coating on the lens surface and reducing the lens’s lifespan.
How to solve the problem of lenses scratching easily?
For Buyers:
1. Choosing a reliable supplier is the first step for lens buyers.
This means your lenses are made from high-quality raw materials, making them more durable.
Furthermore, the quality of the lens coating is guaranteed, making the lenses harder, more scratch-resistant, and longer-lasting.
More importantly, they have comprehensive quality control procedures; substandard lenses are rejected before shipment, ensuring you don’t receive lenses with pre-existing scratches.
For Lens Users:
1. Good cleaning habits are crucial for ensuring lens lifespan. We generally recommend using a qualified eyeglass cloth to wipe your glasses, and you can also use eyeglass cleaning solution. Avoid wiping your glasses directly with paper, clothing, etc., as this can easily scratch the lenses.
2. Good storage habits are equally important. Glasses should typically be stored separately in an eyeglass case to avoid direct contact with clothing, documents, keys, and other hard objects, which can damage the protective coating on the lens surface.
Preventing lens scratches is a collaborative effort between lens manufacturers and users. As lens distributors, we can also inform consumers about methods to extend lens lifespan, providing a better customer experience.
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