{"product_id":"hersh-greenstein-2-point-corneal-marker","title":"Hersh-Greenstein 2-Point Corneal Marker","description":"\u003ch2\u003eHersh-Greenstein 2-Point Corneal Marker\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHersh-Greenstein 2-Point Corneal Marker\u003c\/strong\u003e is a specialized reusable ophthalmic marking instrument designed for creating initial reference marks during Corneal Tissue Addition Keratoplasty (CTAK) procedures. The double-ended configuration provides two defined marking dimensions on each instrument, allowing the surgeon to select the appropriate size combination according to the planned corneal tissue position and surgical marking requirements.\u003c\/p\u003e\n\n\u003cp\u003eThis product is available in \u003cstrong\u003eseven verified size combinations\u003c\/strong\u003e, providing a broad range of reference dimensions for corneal surgical planning. The instrument is used during the initial marking stage of the CTAK workflow, where the center of the pupil serves as the reference point for placement.\u003c\/p\u003e\n\n\u003ch2\u003eAvailable Size Combinations\u003c\/h2\u003e\n\n\u003cp\u003eThe Hersh-Greenstein 2-Point Corneal Marker is available in the following configurations:\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e1.0mm \u0026amp; 1.25mm\u003c\/strong\u003e, \u003cstrong\u003e1.5mm \u0026amp; 1.25mm\u003c\/strong\u003e, \u003cstrong\u003e2.0mm \u0026amp; 2.25mm\u003c\/strong\u003e, \u003cstrong\u003e2.5mm \u0026amp; 2.75mm\u003c\/strong\u003e, \u003cstrong\u003e3.0mm \u0026amp; 3.25mm\u003c\/strong\u003e, \u003cstrong\u003e3.5mm \u0026amp; 3.75mm\u003c\/strong\u003e, and \u003cstrong\u003e3.75mm \u0026amp; 4.0mm\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eEach configuration incorporates two defined marking dimensions in one double-ended ophthalmic instrument. This allows the surgeon to choose the appropriate marker based on the planned corneal tissue position and the required reference spacing.\u003c\/p\u003e\n\n\u003ch2\u003eDouble-Ended Two-Point Design\u003c\/h2\u003e\n\n\u003cp\u003eThe instrument uses a double-ended configuration, with each end corresponding to a specific marking dimension. This design provides two reference sizes within a single marker and reduces the need to use separate instruments for adjacent measurements.\u003c\/p\u003e\n\n\u003cp\u003eThe two-point working end is intended to create precise reference marks during the initial corneal marking stage. These marks can then assist with subsequent surgical planning and positioning during the CTAK procedure.\u003c\/p\u003e\n\n\u003ch2\u003eInitial Reference Marking for CTAK\u003c\/h2\u003e\n\n\u003cp\u003eThe primary function of the Hersh-Greenstein marker is to establish initial pupil-referenced marks during CTAK surgical preparation. The center of the pupil is used as the reference point when determining marker placement.\u003c\/p\u003e\n\n\u003cp\u003eOnce the initial marks are created, they can be used to guide subsequent optic-zone marking and femtosecond-laser channel planning according to the surgeon's established technique and the individual procedural plan.\u003c\/p\u003e\n\n\u003ch2\u003eReusable Ophthalmic Instrument\u003c\/h2\u003e\n\n\u003cp\u003eThe Hersh-Greenstein marker is designed as a reusable ophthalmic surgical instrument. Its precision working ends should be handled carefully during use, cleaning, inspection and storage to preserve the geometry of the marking surfaces.\u003c\/p\u003e\n\n\u003cp\u003eBefore each procedure, both ends should be visually inspected to confirm that the selected dimensions remain properly formed and free from visible deformation or retained residue.\u003c\/p\u003e\n\n\u003ch2\u003eProfessional Corneal Surgery Application\u003c\/h2\u003e\n\n\u003cp\u003eThis instrument is intended for ophthalmic surgeons and corneal surgery centers performing CTAK and related corneal surgical workflows that require defined two-point reference marking.\u003c\/p\u003e\n\n\u003cp\u003eThe availability of multiple size combinations allows the surgeon to select a marker that corresponds more closely to the planned corneal tissue position and intended surgical geometry.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cth\u003eProduct Name\u003c\/th\u003e\n      \u003ctd\u003eHersh-Greenstein 2-Point Corneal Marker\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eInstrument Type\u003c\/th\u003e\n      \u003ctd\u003eReusable Corneal Marker\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePattern\u003c\/th\u003e\n      \u003ctd\u003eHersh-Greenstein 2-Point\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eConfiguration\u003c\/th\u003e\n      \u003ctd\u003eDouble-Ended Two-Point Marker\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eAvailable Size 1\u003c\/th\u003e\n      \u003ctd\u003e1.0mm \u0026amp; 1.25mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eAvailable Size 2\u003c\/th\u003e\n      \u003ctd\u003e1.5mm \u0026amp; 1.25mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eAvailable Size 3\u003c\/th\u003e\n      \u003ctd\u003e2.0mm \u0026amp; 2.25mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eAvailable Size 4\u003c\/th\u003e\n      \u003ctd\u003e2.5mm \u0026amp; 2.75mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eAvailable Size 5\u003c\/th\u003e\n      \u003ctd\u003e3.0mm \u0026amp; 3.25mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eAvailable Size 6\u003c\/th\u003e\n      \u003ctd\u003e3.5mm \u0026amp; 3.75mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eAvailable Size 7\u003c\/th\u003e\n      \u003ctd\u003e3.75mm \u0026amp; 4.0mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eReusable\u003c\/th\u003e\n      \u003ctd\u003eYes\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePrimary Application\u003c\/th\u003e\n      \u003ctd\u003eInitial Pupil-Referenced Corneal Marking for CTAK Procedures\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSpecialty\u003c\/th\u003e\n      \u003ctd\u003eOphthalmology \/ Corneal Surgery\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eBrand\u003c\/th\u003e\n      \u003ctd\u003ePeak Surgicals\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCare and Handling\u003c\/h2\u003e\n\n\u003cp\u003eClean and process the marker according to the healthcare facility's validated ophthalmic instrument-processing procedures and applicable product-specific instructions. Inspect both marking ends before each use for visible deformation, residue or surface damage. Particular attention should be given to preserving the geometry of each size-specific working end.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eHow many size options are available?\u003c\/h3\u003e\n\u003cp\u003eThe product is available in seven verified two-point size combinations.\u003c\/p\u003e\n\n\u003ch3\u003eWhat sizes are available?\u003c\/h3\u003e\n\u003cp\u003eAvailable configurations are 1.0\/1.25mm, 1.5\/1.25mm, 2.0\/2.25mm, 2.5\/2.75mm, 3.0\/3.25mm, 3.5\/3.75mm and 3.75\/4.0mm.\u003c\/p\u003e\n\n\u003ch3\u003eIs this a double-ended marker?\u003c\/h3\u003e\n\u003cp\u003eYes. Each instrument incorporates two defined marking dimensions in a double-ended configuration.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the marker used for?\u003c\/h3\u003e\n\u003cp\u003eIt is designed for initial pupil-referenced corneal marking during CTAK procedures.\u003c\/p\u003e\n\n\u003ch3\u003eIs the instrument reusable?\u003c\/h3\u003e\n\u003cp\u003eYes. It is intended as a reusable ophthalmic surgical marker.\u003c\/p\u003e\n\n\u003ch3\u003eHow should the correct size be selected?\u003c\/h3\u003e\n\u003cp\u003eThe appropriate size combination should be selected according to the planned corneal tissue position and the surgeon's procedural requirements.\u003c\/p\u003e","brand":"PEAK SURGICALS","offers":[{"title":"1 \/ 1mm and 1.25mm","offer_id":57616435413156,"sku":null,"price":38.5,"currency_code":"USD","in_stock":true},{"title":"1 \/ 1.5mm and 1.25mm","offer_id":57616435445924,"sku":null,"price":38.5,"currency_code":"USD","in_stock":true},{"title":"1 \/ 2.0mm and 2.25mm","offer_id":57616434331812,"sku":null,"price":38.5,"currency_code":"USD","in_stock":true},{"title":"1 \/ 2.5mm and 2.75mm","offer_id":57616435478692,"sku":null,"price":38.5,"currency_code":"USD","in_stock":true},{"title":"1 \/ 3mm and 3.25mm","offer_id":57616435511460,"sku":null,"price":38.5,"currency_code":"USD","in_stock":true},{"title":"1 \/ 3.5mm and 3.75mm","offer_id":57616435544228,"sku":null,"price":38.5,"currency_code":"USD","in_stock":true},{"title":"1 \/ 3.75mm and 4mm","offer_id":57616435576996,"sku":null,"price":38.5,"currency_code":"USD","in_stock":true},{"title":"10 \/ 1mm and 1.25mm","offer_id":57616435609764,"sku":null,"price":365.75,"currency_code":"USD","in_stock":true},{"title":"10 \/ 1.5mm and 1.25mm","offer_id":57616435642532,"sku":null,"price":365.75,"currency_code":"USD","in_stock":true},{"title":"10 \/ 2.0mm and 2.25mm","offer_id":57616434364580,"sku":null,"price":365.75,"currency_code":"USD","in_stock":true},{"title":"10 \/ 2.5mm and 2.75mm","offer_id":57616435675300,"sku":null,"price":365.75,"currency_code":"USD","in_stock":true},{"title":"10 \/ 3mm and 3.25mm","offer_id":57616435708068,"sku":null,"price":365.75,"currency_code":"USD","in_stock":true},{"title":"10 \/ 3.5mm and 3.75mm","offer_id":57616435740836,"sku":null,"price":365.75,"currency_code":"USD","in_stock":true},{"title":"10 \/ 3.75mm and 4mm","offer_id":57616435773604,"sku":null,"price":365.75,"currency_code":"USD","in_stock":true},{"title":"30 \/ 1mm and 1.25mm","offer_id":57616435806372,"sku":null,"price":1039.5,"currency_code":"USD","in_stock":true},{"title":"30 \/ 1.5mm and 1.25mm","offer_id":57616435839140,"sku":null,"price":1039.5,"currency_code":"USD","in_stock":true},{"title":"30 \/ 2.0mm and 2.25mm","offer_id":57616434397348,"sku":null,"price":1039.5,"currency_code":"USD","in_stock":true},{"title":"30 \/ 2.5mm and 2.75mm","offer_id":57616435871908,"sku":null,"price":1039.5,"currency_code":"USD","in_stock":true},{"title":"30 \/ 3mm and 3.25mm","offer_id":57616435904676,"sku":null,"price":1039.5,"currency_code":"USD","in_stock":true},{"title":"30 \/ 3.5mm and 3.75mm","offer_id":57616435937444,"sku":null,"price":1039.5,"currency_code":"USD","in_stock":true},{"title":"30 \/ 3.75mm and 4mm","offer_id":57616435970212,"sku":null,"price":1039.5,"currency_code":"USD","in_stock":true},{"title":"70 \/ 1mm and 1.25mm","offer_id":57616436002980,"sku":null,"price":2290.75,"currency_code":"USD","in_stock":true},{"title":"70 \/ 1.5mm and 1.25mm","offer_id":57616436035748,"sku":null,"price":2290.75,"currency_code":"USD","in_stock":true},{"title":"70 \/ 2.0mm and 2.25mm","offer_id":57616434430116,"sku":null,"price":2290.75,"currency_code":"USD","in_stock":true},{"title":"70 \/ 2.5mm and 2.75mm","offer_id":57616436068516,"sku":null,"price":2290.75,"currency_code":"USD","in_stock":true},{"title":"70 \/ 3mm and 3.25mm","offer_id":57616436101284,"sku":null,"price":2290.75,"currency_code":"USD","in_stock":true},{"title":"70 \/ 3.5mm and 3.75mm","offer_id":57616436134052,"sku":null,"price":2290.75,"currency_code":"USD","in_stock":true},{"title":"70 \/ 3.75mm and 4mm","offer_id":57616436166820,"sku":null,"price":2290.75,"currency_code":"USD","in_stock":true},{"title":"100 \/ 1mm and 1.25mm","offer_id":57616436199588,"sku":null,"price":3080.0,"currency_code":"USD","in_stock":true},{"title":"100 \/ 1.5mm and 1.25mm","offer_id":57616436232356,"sku":null,"price":3080.0,"currency_code":"USD","in_stock":true},{"title":"100 \/ 2.0mm and 2.25mm","offer_id":57616434462884,"sku":null,"price":3080.0,"currency_code":"USD","in_stock":true},{"title":"100 \/ 2.5mm and 2.75mm","offer_id":57616436265124,"sku":null,"price":3080.0,"currency_code":"USD","in_stock":true},{"title":"100 \/ 3mm and 3.25mm","offer_id":57616436297892,"sku":null,"price":3080.0,"currency_code":"USD","in_stock":true},{"title":"100 \/ 3.5mm and 3.75mm","offer_id":57616436330660,"sku":null,"price":3080.0,"currency_code":"USD","in_stock":true},{"title":"100 \/ 3.75mm and 4mm","offer_id":57616436363428,"sku":null,"price":3080.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0465\/2679\/1844\/files\/1_9d231a47-2d12-4fe8-8781-f394752adcec.jpg?v=1794564973","url":"https:\/\/peaksurgicals.com\/ko\/products\/hersh-greenstein-2-point-corneal-marker","provider":"PEAK SURGICALS","version":"1.0","type":"link"}