Prescription Contact Lens Power Chart

Acuvue oasys and an expiry date which is usually a year from the date of your check up.

Prescription contact lens power chart.

Eye power sphere bc dia and brand. Power required for contact lenses naturalvue multifocal contact lenses refractive errors 14 10 2016 a first timers to reading gles vertex distance opticianworks vertex conversion charts for sphere and cylinder binations contacts adviceconverting eyegl prescription to contact lens contacts advicewhat is the amount of power required for contact lenses 6 75 and 8 25 quorathinoptics read more. Say you have this glasses prescription and want to convert it to contact lenses. Sphere power is positive if you are farsighted and negative if you are nearsighted.

A contact lens prescription provides additional information about the size of the lens not just information about the power and the power will also be different because while a contact lens sits directly on the surface of the eye eyeglasses sit about 12mm in front of it. You could use the formula. The unit of measure for sphere power is a dioptor or d. Reading the contact lens power.

Contact lens manufacturers make lenses in 0 25 d power increments. If you are using your glasses prescription to order contact lenses online you may be ordering the wrong power in your contacts which can lead to blurred vision eyestrain and headaches. Your prescription should also contain the name of your contact lens e g. The prescription should unfold in the following way.

Typically a contact prescription contains a brand name lens base curve lens diameter and lens power so you can easily order the right corrective lenses. It is very important when ordering contact lenses online to do so using a contact lens prescription. The equivalent contact lens power is. Below is an example of the prescription listed on the side of the box for 1 day acuvue moist for astigmatism.

The eye column will contain either od os or ou which mean right eye left eye or both eyes respectively. Sphere power is the primary power in the lens to correct either hyperopia farsightedness or myopia nearsightedness. In charts like these the middle columns the pink column in the chart above is the power the corresponds to the glasses. Please be aware that a contact lens prescription is different to a glasses prescription so you cannot.

Or we can simply refer to the vertex distance conversion chart. The columns on either side blue and green represent the equivalent power of contact lenses. Name expiry date. On the contact lens box read the prescription information from left to right.

Vertex distance convsersion chart for converting eyeglass prescription to contact lens.