Lenses can be crystalline.Logical formLearned from16 sentences. Lenses can be curved.Logical formLearned from16 sentences. Lenses can be smoked.Logical formLearned from16 sentences. Demand can be for (contact lenses).Logical formLearned from16 sentences. Lenses can be ideological.Logical formLearned from15 sentences. Lenses may pertain-to a camera.Logical formLearned from15 sentences. (Contact lenses) may be designed with function.Logical formLearned from15 sentences. (Focus lenses) can be selective.Logical formLearned from15 sentences. (Squidoo lenses) may use a system.Logical formLearned from15 sentences. Problems can be with (contact lenses).Logical formLearned from15 sentences. Lenses can be hyperbolic.Logical formLearned from15 sentences. (Prime lenses) may pertain-to a male.Logical formLearned from15 sentences. Principles can be behind (contact lenses).Logical formLearned from15 sentences. Some new types can be constituted-of-or-filled-with lenses.Logical formLearned from15 sentences. Some new types of lenses may be developed in years.Logical formLearned from15 sentences.