Olens Chagall Black
- Graphic Dia.:
- 12.8mm
- Power range:
- 0.00 ~ -8.00
- Frequency:
- 3-6 Months
- Pack:
- 1 piece / bottle
Olens Chagall Black is a long-term colored contact lens with a 12.8mm graphic diameter and 38% water content, giving eyes a clean, naturally bold definition. Olens lenses are made from HEMA, a widely-used and well-tolerated lens material.
Who It's For & Trade-offs
This suits people who want a defined, timeless black look for long-term use rather than a daily-replacement routine. As a 3–6 month lens (1 piece per bottle, so two bottles make a full pair), it's more cost-effective over time than a daily, but requires nightly cleaning in solution and should be discarded once past its rated lifespan even if still comfortable.
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 once the lens reaches the end of its rated wear cycle, even if it still feels comfortable.
- Discontinue use and consult an eye care professional if you experience redness, discomfort, or blurred vision.
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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