1 Cost of all materials and supplies which may be necessary for Screened In Lanai Installation, which may include: - between $19.40 and $19.40. 2  Costs of specialty equipment used for efficiency and job quality, which may include: - between $48.74 and $64.75. Non-discounted retail costs for 215 square feet of Screened In Lanai Installation-between $778.27 and $1,068.20. 2  Direct labor costs to Screen In Lanais in Naples-between $283.71 and $320.98.
Difference between Sunglasses and Spectacles. Key Difference: Sunglasses are eye wear glasses that are used for the protection of the eyes from the bright light and harmful rays of sun, whereas goggles are close fitting eyeglasses that are equipped with side shields. Sunglasses or spectacles both tend to be valuable appliances.
Con tact lens prescription does differ from spectacle prescription, mainly due to the distance between the spectacle and your eyes. For those with spectacle prescription less than -4.00 D, the difference is insignificant. Patients can choose to wear either the same prescription or slightly lower. Spectacle prescription of -4.00D above, the difference with contact lens prescription will become more significant. The chart below, is a conversion chart of spectacle prescription to contact lens prescription.