Lens is Super Quad 160 with a field of view of 160/165 degrees, an image magnification of 0.5x and a laser spot of 2.0x. Volk's SuperQuad 160 STILL delivers the widest field of view of any lens ever produced. Magnifying lenses enhance details up to 163% larger to make them easier to see. Headband Magnifier Rechargeable Magnifying Glass with LED Light Hands Free Magnifying Glass for Reading Interchangeable Magnification Lenses 1.5X 2.5X 3.5X 5X for Close Work Jewelry Hobby Crafts. Has flange. 0.43x. HR Wide Field Lens Lens for extreme wide field examination and laser PRP treatment Lens is an upgrade or replacement for: - Rodenstock pan fundus lens - Volk Optical Superquad 160 - Ocular Instruments Mainster PRP 165 better image quality at the extreme periphery of the lens view Specifications: FOV 160, magnification 0.5x,laser spot 2.0x Manufactured by Volk. m 2 - magnification for second image. Safety Glasses with Magnifiers. Its ideal .5x image magnification provides simultaneous visualization of the posterior pole to the peripheral retina, providing a greater margin of safety during pan retinal photocoagulation. The details reveal under the 5X magnification are unbelievable. The Quadraspheric, SuperQuad, and similar lenses are corneal contact lenses (Fig. Image generated from first lens going to be object for the second lens. 2.5.11). This new lens (50% lighter and 89%. Advanced aspheric design provides unmatched high resolution imaging. The SuperQuad 160 lens has two optical elements: (1) polymer meniscus with index of 1.49, thickness of 3 mm, and. The SuperQuad allows wide field viewing all the way out to the ora serrata for detailed examination and treatments. Click here to know more details Anterior Laser Lenses: 130 / 150. The post-procedure IOP can be checked in 30 minutes. Primary Application - Widest Field Views for Vitreoretinal Procedures. Specifications: SuperQuad 160. (4) Protocol. m 1 - magnification for first lens. Field of View. Volk's SuperQuad 160 still offers the widest field of view of any lens ever produced. Its ideal .5x image magnification provides simultaneous visualization of the posterior pole to the peripheral retina, providing a greater margin of safety during pan retinal photocoagulation. 15.2.1.2 Choosing and Using the Lens Make sure that the convex side of both lenses faces toward the examiner. The treatment goal is classically to see "champagne bubbles" appear. Ritch Trabeculoplasty laser lens 2 mirrors tilted at 59 to see theinferior angle Image Magnification. For this purpose, a contact lens providing a wider field of view can be used, such as the Volk SuperQuad lens (magnification 1.92), or a Volk TransEquator lens (magnification 1.44; both Volk Optical Inc.). The higher the power of lenses, the closer the distance between the examiner and the patient and the distance between the lens and the patient's eye. The SuperQuad 160 lens has two optical elements: (1) polymer meniscus with index of 1.49, thickness of 3 mm, and normal apex radii 7.6 mm and +7 mm; (2) double-convex glass element with index of 1.79, thickness of 9.3, and nominal apex radii of 15.8 mm and 10.5 mm. A real, inverted aerial image of the fundus is formed a few millimeters outside the large aspherical condensing lens, which is within the focal range of the slit-lamp microscope. Magnifying Bars. SuperQuad 160 is the ideal lens for treatment of proliferative diabetic retinopathy, ischemic retinal vein occlusion and extreme far peripheral breaks. Super Quad 160 from Volk Optical, Inc. Super Quad 160 Volk's SuperQuad 160 STILL delivers the widest field of view of any lens ever produced. Its ideal .5x image magnification provides simultaneous visualization of the posterior pole to the peripheral retina, providing a greater margin of safety during pan retinal photocoagulation. FRAMELESS 3X MAGNIFYING LENS: With no frame to block the view, the lens rotates 360 locking the 3.5" magnifier into position for precision work. The Volk SuperQuad 160 STILL delivers the widest field of view of any lens ever produced. The spot size area was calculated using the spot radius (r) and the formula circle DUHD U 2 . Image magnification is 0.68, laser spot magnification is 1.5, contact diameter is 16 mm, the lens height is 27.8 mm, and the field of vision is 118 static up to 127 dynamic [13]. Overview Extreme Wide Field Examination and Laser Treatment. It would be kind of a hassle to turn 360 to look at the whole eye. The contact surface is designed carefully to provide optimum stability on the patient's cornea while ensuring patient comfort. Has flange. Take the Laowa 25mm f/2.8 2.5-5X Ultra Macro as a sample, this is a great option for small subjects such as aphid and ant. SuperQuad160, H-R Wide Field Magnification .5x, Laser Spot Factor 1.9-2.0x, Field of View 144-180 NOTE C OmniView 137 Ocular Pro Retina 120 PB, Ocular Reichel-Mainster 2X Equator Plus Magnification .44x-.50x, Laser Spot Factor 2.00x-2.27x, Field of View 114-142 NOTE C OmniView 135 Its ideal .5x image magnification provides simultaneous visualization of the posterior pole to the peripheral retina, providing a greater margin of safety during pan retinal photocoagulation. The total dioptric power of this lens is 126 diopters, forming a real aerial image at The SQ has a larger FOV and a touch more mag, but is very bulky and hard to move in patients with relatively resessed orbits. For this purpose, a contact lens providing a wider field of view can be used, such as the Volk SuperQuad lens (magnification 1.92), or a Volk TransEquator lens (magnification 1.44; both Volk Optical Inc.). This was multiplied by spot number to calculate Breaks are easier to see with the higher magnification at the slit lamp I don't know if the 3 mirror lens would be sufficient legally. The contact surface is designed carefully to provide optimum stability on the patient's cornea while ensuring patient comfort. Apply lens equation to first lens. Loupes with Measuring Scale. 1,126. . Panretinal photocoagulation (argon green laser, 8000 burns at 200 m diameter with the Volk SuperQuad 160 contact lens) supplemented by peripheral retinal cryotherapy caused regression of the iris. Save $2.00 with coupon. Its ideal .5x image magnification provides simultaneous visualization of the posterior pole to the peripheral retina, providing a greater margin of safety during pan retinal photocoagulation. LIGHT IT UP: Direct light from beneath the lens, onto the smallest objects! The Real Housewives of Atlanta The Bachelor Sister Wives 90 Day Fiance Wife Swap The Amazing Race Australia Married at First Sight The Real Housewives of Dallas My 600-lb Life Last Week Tonight with John Oliver 1.0x magnification simplifies optic disc measurement. accurate measurements to be made when using a particular lens on slit lamp accurate predictions of the laser spot size created by the lens when it is used for laser Image magnification = size of image / size of object = 1 / spot factor magnification Spot factor magnification = size of spot at retina / size of setting at laser machine Get it as soon as Wed, Sep 14. Volk's SuperQuad 160 STILL delivers the widest field of view of any lens ever produced. used and 2x for the VOLK superquad lens. Magnify and measure in one operation. Sign in to Buy SuperQuad 160 p/n: AX13155 Extreme Wide Field Examination and Laser Treatment. . For this purpose, a contact lens providing a wider field of view can be used, such as the Volk SuperQuad lens (magnification 1.92), or a Volk TransEquator lens (magnification 1.44; both Volk Optical Inc.). Tokel Gonioprism Single mirror lens Broader viewing area than Goldmann single mirror lens A convex anterior face that provides slight magnification For delivery of Laser to angle 5. THe HR wide field gets the same peripheral view, easier to manipulate in hard to access orbits but less mag. High index glass provides improved stereopsis and image clarity. Loupes with Optional Measuring Scales. occasionally I may use a contact PRP lens such as the superquad 160 gives you a view of the whole eye at once. Volk Optical is the leading brand manufacturer & supplier of optical contact lens, diagnostic imaging, and surgical products for the ophthalmic industry. Turn the eyepiece until you reach the magnification you need. The most commonly used one is a +20 diopter lens. volk's superquad 160, 2.0x laser spot magnification factor, 160 field of view volk's 130 quadraspheric lens, 1.92x laser spot magnification factor, 144 dynamic field of view volk transequator, 1.44 laser spot magnification factor, 132 dynamic field of view ocular mainster prp 165, 1.96x laser spot magnification factor, 165 static Lens is Super Macula 2.2 with a field of view of 60/78 degrees, an image magnification of 1.49x and a laser spot of 0.67x. FREE Shipping on orders over $25 shipped by Amazon. Apraclonidine can be used to prevent a post-procedure IOP spike and pilocarpine to miose the pupil. You can use a lens of +14-+40 diopters. The mixtures were stirred for 20 min, and placed in a Teflon-lined stainless steel autoclave which was sealed and hydrothermally treated in an oven at 180 C for 4 h, 6 h and 12 h ().After that, the resulting suspensions were left to cool down to room temperature, and subsequently centrifuged for 15 min at 500 rpm.The precipitates were washed several times with distilled water and ethanol . An innovative scratch resistant acrylic lens helps to reduce eye strain when working with magnified objects. Image magnification is 0.68, and laser spot magnification is 1.5, contact diameter is 16 mm, the lens height is 27.8 mm, and the field of vision is 118 static up to 127 dynamic [11]. Its ideal .5X image magnification provides visual access simultaneoulsy to the central far peripheral retinal regions, providing a greater marging of safety during pan retinal photocoagulation. You can not do the same with a 1X or 2X lens. . The 30 mm lens surface offers a large, clear image of the retina for accurate and easy placement of the laser spot. This leads to an inherent difficulty in using the lens due to its bulky design. The effect usually takes 6-8 weeks for full effect and usually decreases IOP by 20-35%. magnification factor of the lens utilized) was correlated with PDR progre ssion over 1 \HDUDQGFRPSDUHGZLWK(7'56JXLGHOLQHVRIDQDUHDWUHDWHG PP WRFRQ WURO . Superior high index glass design ensures widest field views of any vitrectomy lens. This lens provides up to 165 visualization of the retina for diagnostic and therapeutic applications while allowing easier placement due to its miniaturization. The Volk Super VitreoFundus lens has the following Features & Benefits: Patented double aspheric glass optics provide enhanced imaging. Panretinal Photocoagulation (PRP) Volk SuperQuad/HR Wide field I've put both of these in the same category as the view is about the same. Field of View: Image Magnification: Laser Spot Magnification: However, the 25mm does not has the ability to focus infinity which means you can only use it for extreme macro . SuperQuad 160 lens has two optical elements: (1) polymer meniscus with index of 1.49, thickness of 3 mm, and normal apex radii -7.6 mm and +7 mm; (2) double-convex glass element with index of 1.79, thickness of 9.3, and nominal apex radii of 15.8 mm and 10.5 mm. Laser spot size magnification is inversely related to angular image magnification, so that lenses which magnify the surgeon's fundus view will proportionately minify the laser . Manufactured by Volk. This leads to an inher- ent difficulty in using the lens due to its bulky design. d i1 = 12 cm First image located 12 cm behind the first lens. Lower image magnification is used for treatments over wide areas, such as panretinal photocoagulation, while higher image magnification is used for macular treatments. $2195 $27.99. Steam sterilizable for reduced processing time. To determine the image distance, the lens equation can be used. d o2 = L - d i1. High magnification views of the posterior pole for performing Focal Grid Laser procedures. Enables 3D discernment of subtle macular and optic disc detail. Wide-field distortion free viewing The 30 mm lens surface offers a large, clear image of the retina for accurate and easy placement of the laser spot. 3.Sussman lens Similar to Zeiss but has no handle 4. Occasionally I may use a contact PRP lens such as the superquad allows field. Equation can be checked in 30 minutes treatment goal is classically to see & quot ; champagne &.: Direct light from beneath the lens due to its bulky design for full effect and usually decreases IOP 20-35 Most commonly used one is a +20 diopter lens second lens serrata for detailed and! 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