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LASIK Clinical Calculator |
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| この情報はストアのものより古い可能性がございます。 | ||||
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価格 | 600円 | ダウンロード |
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|---|---|---|---|---|
| ｼﾞｬﾝﾙ | メディカル | |||
サイズ | 515.5KB | |||
| 開発者 | Evan Schoenberg | |||
| 順位 |
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| ﾘﾘｰｽ日 | 2011-02-12 10:43:20 | 評価 | 評価が取得できませんでした。 | |
| 互換性 | iOS 3.0以降が必要です。 iPhone、iPad および iPod touch 対応。 | |||
LASIK Clinical Calculator is a tool for ophthalmologists performing LASIK refractive surgery.
It currently provides two important clinical calculators:
- LASIK Refraction Nomogram
- Ectasia Risk Score System
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The LASIK refraction nomogram takes a manifest refraction and produces a recommended set of ablative parameters, using a process based on empirical data collected over several years by Dr. Stern and Dr. Collins of the VA Refractive Surgery center in Alexandria, LA.
Specifically, it performs a four step process:
1. Conversion to minus cylinder
2. Cylinder overcorrection (configurable; 50% by default), because data showed undercorrection of cylinder with our excimer laser.
3. Spherocylindrical coupling (configurable; 5% by default)
4. Sphere modification to account for the cylinder overcorrection.
It also splits the ablative refractions into (1) plano with plus cylinder and (2) refractive sphere with minus cylinder if necessary.
The calculator will remember changes to cylinder overcorrection and spherocylindrical coupling, so it may be customized for the surgeon's preferences and experiences.
*********************
The Ectasia Risk Score System provides an important tool to estimate the risk of corneal ectasia in a LASIK candidate.
It is based on research published by Dr. Randleman et al. in the Journal of Ophthalmology (Risk assessment for ectasia after corneal refractive surgery. J Ophth 2008;155:37-50).
*********************
LASIK Clinical Calculator utilizes the lightning-fast MediMath engine which powers both MediMath and Optics Clinical Calculator.
I'm open to including any other calculators or scores which would be useful to you when evaluating LASIK patients. Please email me directly with any questions or comments.
更新履歴
• Made the spherical adjustment for cylindrical overcorrection configurable. It previously defaulted to 50%; it now defaults to 44% based on our platform experiences.
• Changes to cylindrical overcorrection, spherocylindrical coupling, and spherical adjustment are now remembered across uses of the calculator
• The refraction is now automatically split into myopic, hyperopic, myopic astigmatic, and hyperopic astigmatic stages
• A few minor UI improvements
It currently provides two important clinical calculators:
- LASIK Refraction Nomogram
- Ectasia Risk Score System
*********************
The LASIK refraction nomogram takes a manifest refraction and produces a recommended set of ablative parameters, using a process based on empirical data collected over several years by Dr. Stern and Dr. Collins of the VA Refractive Surgery center in Alexandria, LA.
Specifically, it performs a four step process:
1. Conversion to minus cylinder
2. Cylinder overcorrection (configurable; 50% by default), because data showed undercorrection of cylinder with our excimer laser.
3. Spherocylindrical coupling (configurable; 5% by default)
4. Sphere modification to account for the cylinder overcorrection.
It also splits the ablative refractions into (1) plano with plus cylinder and (2) refractive sphere with minus cylinder if necessary.
The calculator will remember changes to cylinder overcorrection and spherocylindrical coupling, so it may be customized for the surgeon's preferences and experiences.
*********************
The Ectasia Risk Score System provides an important tool to estimate the risk of corneal ectasia in a LASIK candidate.
It is based on research published by Dr. Randleman et al. in the Journal of Ophthalmology (Risk assessment for ectasia after corneal refractive surgery. J Ophth 2008;155:37-50).
*********************
LASIK Clinical Calculator utilizes the lightning-fast MediMath engine which powers both MediMath and Optics Clinical Calculator.
I'm open to including any other calculators or scores which would be useful to you when evaluating LASIK patients. Please email me directly with any questions or comments.
更新履歴
• Made the spherical adjustment for cylindrical overcorrection configurable. It previously defaulted to 50%; it now defaults to 44% based on our platform experiences.
• Changes to cylindrical overcorrection, spherocylindrical coupling, and spherical adjustment are now remembered across uses of the calculator
• The refraction is now automatically split into myopic, hyperopic, myopic astigmatic, and hyperopic astigmatic stages
• A few minor UI improvements
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