RU2001110208A - METHOD FOR DETERMINING THE OPTICAL FORCE OF AN INTRAOCULAR LENS WITH INTRICAPSULAR FIXATION FOR CORRECTION OF AMETROPY - Google Patents
METHOD FOR DETERMINING THE OPTICAL FORCE OF AN INTRAOCULAR LENS WITH INTRICAPSULAR FIXATION FOR CORRECTION OF AMETROPYInfo
- Publication number
- RU2001110208A RU2001110208A RU2001110208/14A RU2001110208A RU2001110208A RU 2001110208 A RU2001110208 A RU 2001110208A RU 2001110208/14 A RU2001110208/14 A RU 2001110208/14A RU 2001110208 A RU2001110208 A RU 2001110208A RU 2001110208 A RU2001110208 A RU 2001110208A
- Authority
- RU
- Russia
- Prior art keywords
- intraocular lens
- cornea
- optical
- correction
- determining
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims 8
- 210000004087 cornea Anatomy 0.000 claims 5
- 210000002159 anterior chamber Anatomy 0.000 claims 2
- 208000029091 Refraction disease Diseases 0.000 claims 1
- 230000004430 ametropia Effects 0.000 claims 1
- 150000002009 diols Chemical class 0.000 claims 1
- 208000014733 refractive error Diseases 0.000 claims 1
Claims (1)
где Dиол - оптическая сила интраокулярной линзы, дптр. ;
L - длина глаза, мм;
333/R - стандартизованная рефракция роговицы, дптр. ;
R - радиус кривизны передней поверхности роговицы, мм;
р - расстояние между передней поверхностью интраокулярной линзы и вершиной роговой оболочки, мм, определяемое по формуле
p = a+0,125b+(Dопт+Dгапт)/2tg(α),
где а - глубина передней камеры, мм;
b - толщина хрусталика, мм;
α - угол наклона гаптики к плоскости оптической части интраокулярной линзы, град. ;
Doпт - диаметр оптической части интраокулярной линзы, мм;
Dгапт - диаметр гаптики интраокулярной линзы, мм.A method for determining the optical power of an intraocular lens with intracapsular fixation for the correction of ametropia, including measuring the length of the eye, the radius of curvature of the anterior surface of the cornea, the refraction of the cornea and the distance between the front surface of the intraocular lens and the apex of the cornea, characterized in that it further measures the depth of the anterior chamber, the thickness of the natural the lens, the diameter of the optical part of the intraocular lens, the diameter of the haptic part, the angle of inclination of the haptic part to the plane of the optical the second part, and the optical power of the intraocular lens is determined by the formula
where Diol is the optical power of the intraocular lens, diopter. ;
L is the length of the eye, mm;
333 / R - standardized corneal refraction, diopter. ;
R is the radius of curvature of the anterior surface of the cornea, mm;
p is the distance between the front surface of the intraocular lens and the apex of the cornea, mm, determined by the formula
p = a + 0.125b + (Dopt + Dgapt) / 2tg (α),
where a is the depth of the anterior chamber, mm;
b is the thickness of the lens, mm;
α is the angle of inclination of the haptic to the plane of the optical part of the intraocular lens, deg. ;
Dopt is the diameter of the optical part of the intraocular lens, mm;
Dgapt - the diameter of the haptic intraocular lens, mm
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2001110208A RU2201724C2 (en) | 2001-04-17 | 2001-04-17 | Method for determining optical force of intraocular lens with intracapsular fastening for correcting ametropia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2001110208A RU2201724C2 (en) | 2001-04-17 | 2001-04-17 | Method for determining optical force of intraocular lens with intracapsular fastening for correcting ametropia |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2001110208A true RU2001110208A (en) | 2003-02-27 |
| RU2201724C2 RU2201724C2 (en) | 2003-04-10 |
Family
ID=20248479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2001110208A RU2201724C2 (en) | 2001-04-17 | 2001-04-17 | Method for determining optical force of intraocular lens with intracapsular fastening for correcting ametropia |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2201724C2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2248770C1 (en) * | 2004-03-31 | 2005-03-27 | Государственное учреждение "Межотраслевой научно-технический комплекс "Микрохирургия глаза" имени академика С.Н. Федорова Министерства здравоохранения Российской Федерации | Method for determining focal power of intraocular lens for correcting high degree hypermetropia in phakic eye |
| RU2314068C1 (en) * | 2006-03-10 | 2008-01-10 | Федеральное государственное учреждение "Межотраслевой научно-технический комплекс "Микрохирургия глаза" имени академика С.Н. Федорова Федерального агентства по здравоохранению и социальному развитию" | Method for determining focal power of uniformly convex intraocular lens in carrying out intracapsular fixation for correcting aphakia with vitreal cavity tamponade made with silicon oil |
| RU2343884C1 (en) * | 2007-04-26 | 2009-01-20 | Федеральное государственное учреждение "Межотраслевой научно-технический комплекс "Микрохирургия глаза" имени академика С.Н. Федорова Федерального агентства по здравоохранению и социальному развитию" | Method of determination of optical force of intraocular lens at extraction of cataract after excimer laser keratorefractive surgery |
| RU2527906C1 (en) * | 2013-06-03 | 2014-09-10 | федеральное государственное бюджетное учреждение "Межотраслевой научно-технический комплекс "Микрохирургия глаза" имени академика С.Н. Федорова" Министерства здравоохранения Российской Федерации | Method for measuring optical power of intracapsular intraocular lens implanted into avitreal eye |
| RU2591662C1 (en) * | 2015-01-30 | 2016-07-20 | федеральное государственное бюджетное учреждение "Межотраслевой научно-технический комплекс "Микрохирургия глаза" имени академика С.Н. Федорова" Министерства здравоохранения Российской Федерации | Method of determining the radius of intrastromal optical lense curvature for correcting presbyopia |
| RU2644694C1 (en) * | 2017-02-09 | 2018-02-13 | Любовь Владимировна Жежелева | Method for determining the optical force of the intraocular lense after radial keratothomy |
| RU2665677C1 (en) * | 2017-10-19 | 2018-09-03 | Федеральное государственное автономное учреждение "Межотраслевой научно-технический комплекс "Микрохирургия глаза" имени академика С.Н. Федорова" Министерства здравоохранения Российской Федерации | Method for personalized determination of optical strength of an intraocular lens with intracapsular fixation in patients with keratectasia |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4710193A (en) * | 1986-08-18 | 1987-12-01 | David Volk | Accommodating intraocular lens and lens series and method of lens selection |
| US5092880A (en) * | 1988-10-21 | 1992-03-03 | Genjiro Ohmi | Method of determining the astigmatic power and the power for an intraocular lens, for a toric intraocular lens |
| US5282852A (en) * | 1992-09-02 | 1994-02-01 | Alcon Surgical, Inc. | Method of calculating the required power of an intraocular lens |
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2001
- 2001-04-17 RU RU2001110208A patent/RU2201724C2/en active
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