Sph 1.50

Prism is normally recommended to improve particular kind of eye disorders like squint, double vision or positional correction. You may also see some abbreviations with prism which indicate base directions or thickest edge; it offers BU – Base Up, BD – Base Down, BI – Base In and BO – Base Out . The sphere (Sph.) indicates the strength of lens necessary to correct your focus. To get an accurate eyeglass prescription, you will have to see a watch care professional who can perform complete eye exam.

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If the CYL number is in negative (-), this means you have nearsighted astigmatism while if the CYL number is in positive (+), it means you have farsighted astigmatism. It is possible to use a different make of lens in each eye based on the unique needs of each eye. The base curve value of a contact lens typically ranges from 8.0 to 10.0. Base curves vary by brand, which means that your prescription may change based on what make of lenses you are using.
The bottom curvature and diameter of the lens are indicated on a contact lens prescription, as will be the expiration date and make of lens. The standard of a lens is measured on the lens index chart. An improvement in the lens index of one’s glasses can have a dramatic effect on your lifestyle. Low lens index glasses will be thicker but less expensive and only provide a low vision correction level.

Created from higher-quality material, a higher index lens should be able to deliver better correction without the need for thicker lenses. Every prescription will have a sphere value in both eyes but a cylinder may be in both eyes or just one.
for an extended working distance when compared to a reading add. It will continually be a positive value and will be a lesser number than your reading add. Most people will not have a separate intermediate add. As we get older the lens within your eye is growing and be less flexible this prevents it from changing shape as easily that is how exactly we bring close objects into focus. Eventually it reaches a point where everything perhaps up to arms length is impossible to bring right into a sharp focus making reading difficult. It is usually when people begin to notice they need to hold things further away that they approach their optician for help.

• These vision experts ensure the content is fact-based and up-to-date.
• on the initial needs of each eye.
• Including limited edition exclusive collectible eyewear, all types of lenses to deliver the best eye care experience.
• Lens prescriptions have lots of the same abbreviations as eyeglass prescriptions, with a few additional numbers.
• You may also see some abbreviations with prism which indicate base directions or thickest edge; it offers BU – Base Up, BD – Base Down, BI – Base In and BO – Base Out .

To find the best frames, Felix Gray offers the variety you want no matter your lens index. Coupled with our innovative lens technology, such as for example Blue Light filter glasses and sleep glasses, you’ll love your new pair of glasses. Contact Felix Gray today, and shop with peace of mind thanks to our free shipping and free returns policy.
Please note, we cannot prescribe controlled substances, weight loss supplements, antipsychotics, or other abusable medications. Hypermetropia, , commonly known as long sighted, you will need a positive prescription to improve this, eg +1.00. Sometimes your prescription could also contain PD which indicates the pupillary distance. It is the distance from the centre of one pupil of the attention to the centre of the pupil of another eye. According to AAO, all adults should receive a comprehensive eye exam by age 40.
Video speak to a U.S. board-certified doctor 24/7 in a minute. Get prescriptions or refills through a video chat, if the physician feels the prescriptions are medically appropriate. Please note, we cannot prescribe controlled substances, weight loss supplements, antipsychotics, or other commonly abused medications.
Our eyeglass prescription and lens prescription are not the same. Eyeglass is placed around 12 mm away from the eyes whereas contact lens is directly placed on the eyes, so significantly there’s a difference in prescription. CYL stands for Cylinder which indicates the quantity of lens capacity to correct astigmatism . If you have no number in this section then this means there is no astigmatism.