LensTown Circlean Big Black
- Graphic Dia.:
- 13.8mm
- Power range:
- 0.00 ~ -8.00
- Frequency:
- Monthly
- Pack:
- 2 pieces / box
LensTown Circlean Big Black is a monthly disposable colored contact lens with a 13.8mm graphic diameter and 43% water content, giving eyes a bold, defined black look. LensTown lenses are made from Silicone Hydrogel, a material known for high oxygen permeability.
Who It's For & Trade-offs
Black shows the strongest contrast on light or hazel eyes and a subtler definition change on already-dark eyes. At 13.8mm, this is one of the larger diameters in the LensTown range, giving a strong enlarging effect. As a monthly lens (2 pieces per box), it's more cost-effective per wear than a daily, but requires nightly cleaning in solution and replacement after about a month regardless of comfort.
Safety & Care
- Wash and dry hands thoroughly before handling lenses.
- Store in a clean lens case with fresh solution daily.
- Remove lenses before sleeping, swimming, or showering.
- Replace after one month, even if the lens still feels comfortable.
- Consult an optometrist for proper prescription and fitting.
- Brand: LensTown
- Color: Black Contacts
- Disposable: Monthly
- Base Curve: 8.8mm
- Graphic Diameter: 13.8mm
- Overall Diameter: 14.3mm
- Water Content: 43%
- Material: Silicone Hydrogel
- Package Contents: 2 pieces / box
- Packaging Status: Boxed
- Prescription: 0.00 ~ -8.00
Preparation: 2–4 business days before dispatch.
Estimates are in USD. Final services and charges are confirmed for your address at checkout.
Preparation & delays
Restocking may add 2–5 business days. Preparation excludes weekends and Korean public holidays. Transit and customs delays vary.
See how your glasses SPH changes at the eye.
An optical estimate, not a contact lens prescription. Prescription help
OD = right; OS = left. Enter SPH with its + or − sign. Use 0, PL or plano for zero.
Estimated sphere at the eye
- Right eye (OD)
- Left eye (OS)
Shown to 2 decimals; not rounded to available lens powers.
Advanced settings Vertex: 12 mm
Why can powers differ?
Glasses sit in front of the eye; contact lenses sit on its surface. This distance changes the optical effect, especially at stronger powers. A professional fitting determines your contact lens prescription.
Optical estimate = SPH ÷ (1 − distance × SPH), with distance in metres. This calculation uses sphere only.
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