What does PG stand for?

Professional Geophysicist

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Progressive Glasses

Progressive glasses, often referred to as no-line bifocals, are a type of eyeglass lens designed to provide a smooth transition between multiple optical powers. This design allows the wearer to see clearly at all distances without the visible lines found in traditional bifocals or trifocals. The upper part of the lens is optimized for distance vision, the middle for intermediate, and the lower part for near vision tasks such as reading.

The technology behind progressive glasses has evolved significantly, offering wider fields of vision and reducing the adaptation period for new wearers. These lenses are particularly beneficial for individuals with presbyopia, a common age-related condition that affects the eye's ability to focus on close objects. With advancements in digital lens design, progressive glasses now provide more personalized solutions, catering to the specific visual needs and lifestyle of each wearer.