Part a where is the near point of an eye for which a contact lens with a power of 2.80 diopters is prescribed? (assume that near point for an average viewer is 25 cm.) s′s ′ = nothing m request answer part b where is the far point of an eye for which a contact lens with a power of -1.60 diopters is prescribed for distant vision? s′s ′ = nothing m request answer provide feedback