Bausch & Lomb B4 1 Lens If you are first time contact lens user you are naturally a little anxious about the experience. The Bausch & Lomb B4 is just the lens that you are looking for. Once you try and use these you will never go for another lens. Now you can get your myopia and hypermetropia corrected while wearing your lenses daily. Bausch & Lomb B4 comes with a unique spin-cast technology that keeps the moisture level constant and gives a spark to your eyes. They are extremely durable lenses and are easy to handle. They are made of polymacon in a computer-controlled process. The Bausch & Lomb B4 contact lens is the first choice of lenses for new contact lens wearers. It provides for excellent vision with handling comfort at a great price make them the most popular lenses in India. The lenses offer reliable performance and great value. The water content of 38.6% for durability and reduced protein deposits. Details The Bausch & Lomb B4 is especially good for first time contact lens wearers. They are excellent for students and teenagers who are getting to know contact lenses. They can be worn up to 10 hours. Lens Colour Clear, Brand Name Bausch & Lomb, Product Type Contact lens-fast moving,Type Yearly Conventional, Manufacturer Details Bausch & Lomb, Country of Origin Ireland, Model No B4, Base Curve 8.7mm, Dia meter 14mm, Lens Material polymacon, Packaging 1 Lens per Box, Usage Duration 1 Year, Water Content 38.6%, Expiry Min 2 years from date of purchase.\r\n(-0.50 TO -3.50) (-0.25 STEP)