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In recent developments, the Provincial Bureau of Quality Supervision conducted a spot check on 13 batches of spectacle frames from 13 different companies within the province. The results revealed that 2 batches failed to meet the required standards, resulting in a disqualification rate of 15.4%. The primary issues identified were related to tensile strength, performance, and dimensional accuracy.
During a city-level quality risk monitoring initiative focused on optical glasses available in local shops, similar concerns were found. Many frames were discovered to have varying degrees of quality issues, with unqualified items often including dimensions and mechanical stability—particularly fatigue resistance.
When choosing a high-quality eyeglass frame, experts from the quality supervision department recommend checking for symmetry. When placed on a flat surface, the upper, lower, left, right, inner, and outer parts of the frame, as well as the temples and nose pads, should be evenly aligned. There should be no gaps when the temples, lens holders, and table tops come into contact. Additionally, the hinges should move smoothly without resistance when gently opened and closed.
For consumers, selecting the right frame material is crucial. The chosen material should be lightweight, durable, resistant to deformation, and gentle on the skin. Metal frames are typically light and strong, often featuring adjustable nose pads, making them ideal for most vision correction needs. Plastic frames, on the other hand, are known for their toughness, resistance to deformation, and hypoallergenic properties, making them especially suitable for students and athletes.
By paying attention to these details, consumers can make more informed choices and ensure long-term comfort and safety. This information was reported by China Spectacle Trading Network.