JP4564061B2 - 眼内レンズ - Google Patents
眼内レンズ Download PDFInfo
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- JP4564061B2 JP4564061B2 JP2007530512A JP2007530512A JP4564061B2 JP 4564061 B2 JP4564061 B2 JP 4564061B2 JP 2007530512 A JP2007530512 A JP 2007530512A JP 2007530512 A JP2007530512 A JP 2007530512A JP 4564061 B2 JP4564061 B2 JP 4564061B2
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- Prior art keywords
- lens
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- optical
- ophthalmic lens
- spherical aberration
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses or corneal implants; Artificial eyes
- A61F2/16—Intraocular lenses
- A61F2/1613—Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses or corneal implants; Artificial eyes
- A61F2/16—Intraocular lenses
- A61F2/1613—Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
- A61F2/1637—Correcting aberrations caused by inhomogeneities; correcting intrinsic aberrations, e.g. of the cornea, of the surface of the natural lens, aspheric, cylindrical, toric lenses
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
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- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Transplantation (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
- Eyeglasses (AREA)
- Lenses (AREA)
Description
zは、レンズの光軸からの半径距離rにおける表面のサグ(たるみ)を示し、
cは、その頂点(光軸と表面との交差点)における表面の曲率を示し、
kは、円錐定数を示し、
a1は、二次非球面係数を示し、
a2は、四次非球面係数を示し、
a3は、六次球面係数を示す。
zは、レンズの光軸からの半径距離rにおける表面のサグを示し、
cは、頂点(光軸と表面との交差点)における表面の曲率を示し(c=1/r:ここで、rは頂点における表面の半径を示す)
kは円錐定数を示し、
a1は二次非球面係数を示し、
a2は四次非球面係数を示し、
a3は六次非球面係数を示す。
Cbaseはその頂点における表面の曲率を示し、
a1は、上の〔数2〕のEq.(1)において定義されるとおり二次均等非球面係数を示す。平均曲率は、例えばレンズの形状係数及びレンズの主平面の位置の計算において利用することができる。
n1はレンズ材料の屈折率を示し、
nmedはレンズを取り囲む媒体の屈折率を示し、
raは前面の半径を示し、
rpは後面の半径を示し、
taはレンズの中心厚みを示す。
Claims (6)
- 屈折性前面(14)及び屈折性後面(16)を有し、眼の房水の屈折率と実質的に同様の屈折率を有する媒体において測定して、前記前面及び後面が協働して16Dから25Dまでの範囲の光出力を提供する光学レンズ(12)を備えた眼科用レンズ(10)において、
前記前面及び後面のうち少なくとも一方の輪郭が下記の関係式
ここで、
rは、レンズの光軸からの半径距離を示し、
cは、その頂点(光軸と表面との交差点)における表面の曲率を示し、
kは、円錐定数を示し、
a1は、二次非球面係数を示し、
a2は、四次非球面係数を示し、
a3は、六次球面係数を示す、
関係式によって定義されることにより特徴づけられ、
cが0.0369(1/27.1)mm-1から0.0541(1/18.5)mm-1までの範囲であり、kが−73から−27までの範囲であり、a1 が−0.000209mm-1から−0.000264mm-1までの範囲であり、a2 が−0.0000297mm-3から−0.0000131mm-3までの範囲であり、a3 が−0.00000978mm-5から−0.00000846mm-5までの範囲であることを特徴とする眼科用レンズ。 - 前記光学レンズ(12)が−0.016から0.071までの範囲の、前記前面と前記後面の曲率の合計のその曲率の差に対する割合として定義される、形状係数を示す、請求項1に記載の眼科用レンズ。
- 前記眼科用レンズ(10)が眼内レンズを含む、請求項1に記載の眼科用レンズ。
- 前記光学レンズ(12)がこれに結合される複数のハプティック(20)を含み、
前記光学レンズ(12)は、前記ハプティックの2つと前記光学レンズとの接合点によって定義される平面(HP)から−0.019mmから+0.018mmまでの範囲のオフセット変化を示す主平面(22)を有する、請求項3に記載の眼科用レンズ。 - 前記光学レンズ(12)が生体適合性の高分子材料を含む、請求項3又は4に記載の眼科用レンズ。
- 前記高分子材料がアクリル、シリコン及びヒドロゲル材料から成るグル−プから選択される、請求項5に記載の眼科用レンズ。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66852005P | 2005-04-05 | 2005-04-05 | |
| PCT/US2006/012572 WO2006108005A2 (en) | 2005-04-05 | 2006-04-04 | Intraocular lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008510595A JP2008510595A (ja) | 2008-04-10 |
| JP4564061B2 true JP4564061B2 (ja) | 2010-10-20 |
Family
ID=36930344
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007543629A Active JP4559488B2 (ja) | 2005-04-05 | 2006-04-04 | 人間の眼にとって最適なiolの形状係数 |
| JP2007530512A Active JP4564061B2 (ja) | 2005-04-05 | 2006-04-04 | 眼内レンズ |
| JP2010092857A Active JP5497521B2 (ja) | 2005-04-05 | 2010-04-14 | 人間の眼にとって最適なiolの形状係数 |
| JP2013273270A Pending JP2014131742A (ja) | 2005-04-05 | 2013-12-27 | 人間の眼にとって最適なiolの形状係数 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007543629A Active JP4559488B2 (ja) | 2005-04-05 | 2006-04-04 | 人間の眼にとって最適なiolの形状係数 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010092857A Active JP5497521B2 (ja) | 2005-04-05 | 2010-04-14 | 人間の眼にとって最適なiolの形状係数 |
| JP2013273270A Pending JP2014131742A (ja) | 2005-04-05 | 2013-12-27 | 人間の眼にとって最適なiolの形状係数 |
Country Status (18)
| Country | Link |
|---|---|
| US (2) | US20060227286A1 (ja) |
| EP (3) | EP2062553B1 (ja) |
| JP (4) | JP4559488B2 (ja) |
| CN (3) | CN101843532B (ja) |
| AT (3) | ATE434993T1 (ja) |
| AU (3) | AU2006231553B2 (ja) |
| BR (2) | BRPI0604841B8 (ja) |
| CA (3) | CA2734592C (ja) |
| CY (2) | CY1108233T1 (ja) |
| DE (3) | DE602006001274D1 (ja) |
| DK (2) | DK2062553T3 (ja) |
| ES (3) | ES2327270T3 (ja) |
| MX (2) | MXPA06015141A (ja) |
| PL (2) | PL1753373T3 (ja) |
| PT (2) | PT2062553E (ja) |
| RU (2) | RU2339341C2 (ja) |
| SI (2) | SI1753373T1 (ja) |
| WO (2) | WO2006108004A2 (ja) |
Families Citing this family (103)
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