Prescription Contact Lens Power Chart

On the contact lens box read the prescription information from left to right.

Prescription contact lens power chart.

Reading the contact lens power. The prescription should unfold in the following way. 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. Below is an example of the prescription listed on the side of the box for 1 day acuvue moist for astigmatism.

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. Please be aware that a contact lens prescription is different to a glasses prescription so you cannot. Name expiry date. The equivalent contact lens power is.

Contact lens manufacturers make lenses in 0 25 d power increments. Find the number on the glasses prescription in the middle column. Research suggests that it s important to double check that the contacts you receive are the same ones your doctor prescribed before you wear them. The eye column will contain either od os or ou which mean right eye left eye or both eyes respectively.

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. In charts like these the middle columns the pink column in the chart above is the power the corresponds to the glasses. You could use the formula. 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.

Sphere power is the primary power in the lens to correct either hyperopia farsightedness or myopia nearsightedness. Your prescription should also contain the name of your contact lens e g. It is very important when ordering contact lenses online to do so using a contact lens prescription. Or we can simply refer to the vertex distance conversion chart.

The unit of measure for sphere power is a dioptor or d. Eye power sphere bc dia and brand. 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.

Perceived lens power 6 25 1 0 014 6 25 5 75.