Featuring a wide range of oxygen permeabilities, excellent wettability and high stability has made the Optimum range of gas permeable (GP) materials one of the most popular choices on the market. Optimum is FDA-approved for a broad range of indications and contact lens modalities. Its stability and balanced properties make it ideally suited for a range of lens designs, including toric, multifocal, keratoconus and scleral.
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Optimum comes in five Dk ranges, giving laboratories the ability to recommend the ideal lens design and improve performance.
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Introducing Optimum Infinite, the newest addition to the Optimum range that exceeds convention. With a unique combination of oxygen permeability (180Dk) and flexural modulus (1341MPa), you can change the possibilities. Find out more.
Features and benefits
- Excellent surface wettability
- Full range of oxygen permeability
- High degree of stability and reproducibility
- Wide application to a variety of modalities and indications
- Clinical data on file
- FDA approved
Optimum technical information
Material characteristics
| Property | Optimum Classic | Optimum Comfort | Optimum Extra | Optimum Extreme |
|---|---|---|---|---|
| Classification | Focon III 2 | Focon III 4 | Focon III 4 | Focon III 5 |
| USAN | Roflufocon A | Roflufocon C | Roflufocon D | Roflufocon E |
| Oxygen permeability (ISO) @ 35°C (barrers) | 26 | 65 | 100 | 125 |
| Refractive index | 1.450 | 1.437 | 1.431 | 1.432 |
| Hardness (Shore D) | 83 | 79 | 75 | 77 |
| Specific gravity | 1.19 | 1.17 | 1.16 | 1.15 |
Manufacturing consumables
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- Low melt wax
- Water soluble wax
- Contapol 3 polishing compound
- Microfiber polishing cloth
- Silk polishing cloth
- Delrin polishing cups
- Delrin polishing sponge
- Delrin drum polishing sponge
- Contasolve de-blocking solution
- Roller sponges
Accessories
- Laboratory lens handler
- Double soft lens mailers
- RGP double mailers
- Large RGP double mailers
- Plastic tamper evident RGP vial
- Double opticase plastic RGP vial
- OptimumRGP trial set
- Lens remover
- DMV RGP lens remover
- DMV scleral lens removers
- Lens catch mat
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Macalester-Groveland T-shirts available for purchase at MGCC event and in the MGCC office (320 Griggs St. S)
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*Currently the MGCC office is closed. We will deliver all orders to address provided through PayPal.
$11 XS-XL, $13 XXL+. All sizes unisex.
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Colors available are Green (Kiwi), Blue (Heather Indigo), and Gray (Dark Heather). XS size only comes in gray. XXL+ only comes in Gray and Green. If we are out of your desired color or size, we will order more!
T-shirts are Gildan Softstyle, 65% polyester, 35% cotton blend. Click here to view sizing guidelines. If the t-shirt you purchase turns out to be the wrong size, just let us know! We are happy to exchange or return unworn shirts.
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Once purchased online, we will confirm no-contact delivery by email. Contact us if you have a special request (651-695-4000 or mgcc@macgrove.org).