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Technolas

Manufactured by Bausch & Lomb
Sourced in United States

The Technolas is a lab equipment product manufactured by Bausch & Lomb. It is a multi-functional device designed to perform various tasks in a laboratory setting. The core function of the Technolas is to facilitate the measurement, analysis, and processing of samples or materials.

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4 protocols using technolas

1

LASIK Flap Creation and Ablation Protocol

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LASIK flaps were created with the VisuMax femtosecond laser system (Carl Zeiss Meditec, Jena, Germany). The corneal flaps were lifted, and a 7.5-mm optical zone ablation was performed using an excimer laser (Technolas; Bausch & Lomb, New Jersey, U.S.A.) [28 (link)]. Fig 1A. The flaps were subsequently repositioned, and two interrupted sutures were used to hold the flap in place (10–0 Nylon). A bandage contact lens was immediately applied, and temporary tarsorrhaphy was used to close the eyelids. A subconjunctival injection of dexamethasone and gentamicin was given and repeated at post-operative day 3 at the time of suture removal. After surgery, 0.3% Tobramycin and 0.1% Dexamethasone eye drops were administrated four times daily for 1 week.
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2

Femtosecond LASIK for Hyperopic Correction

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LASIK flaps were created by using a 500 kHz Visumax femtosecond laser. The laser parameters were as follows: 120 μm flap thickness, 7.9 mm flap diameter, 170 nJ power, spot distance and tracking spacing of 4.8 μm for lamellar flap and 2 μm for flap side cut, flap side cut at 90°, hinge position at 90°, hinge angle of 50° and spiral in (centripetal) scanning pattern direction. After the flap was lifted, the underlying stroma underwent a hyperopic ablation of +2.00 D or +4.00 D with a 10.0 × 10.0 mm and 10.1 × 10.1 mm-treated zone, respectively, and with a 6.5 mm-optical zone using an excimer laser (Technolas; Bausch & Lomb, Rochester, NY). The excimer laser parameters were: spot size of 2.0 μm diameter, fluence of 120 mJ/cm2, and repetition rate of 100 Hz. When the flap was repositioned, a bandage contact lens (Bausch & Lomb) was applied and the eyelid was closed with a temporary tarsorraphy using a 6–0 silk suture. After the procedure, all the eyes received topical tobramycin ointment (Alcon, Fort Worth, TX, USA) 3 times daily for 1 day.
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3

Laser-Assisted In-Situ Keratomileusis (LASIK) Procedure

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LASIK flaps were created with the Visumax femtosecond laser. The laser parameters were as follows: 120-μm flap thickness, 7.9-mm flap diameter, 170 nJ power, spot distance and tracking spacing of 4.8 μm for lamellar flap and 2 μm for flap side cut, flap side cut at 90°, hinge position at 90°, hinge angle of 50°, and spiral in scanning pattern direction. After the flap was lifted, the underlying stroma underwent a hyperopic ablation of +2.00 D or +4.00 D with a 10.0 × 10.0 mm and 10.1 × 10.1 mm treated zone, respectively, and with a 7.5-mm OZ using an excimer laser (Technolas; Bausch & Lomb, Rochester, NY). The excimer laser parameters were as follows: spot size of 2.0 μm diameter, fluence of 120 mJ/cm2, and repetition rate of 100 Hz. The flaps were subsequently repositioned, a bandaged contact lens was immediately applied, and temporary tarsorrhaphy was used to close the eyelids.
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4

Femtosecond LASIK with Stromal Irrigation

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Eight rabbits (n = 8 eyes) underwent a FS-LASIK procedure. Our rabbit experimental model for FS-LASIK was used as previously described [16 (link)]. LASIK flaps were created by using a 500 kHz femtosecond laser (VisuMax; Carl Zeiss Meditec, Jena, Germany). The laser parameters were as follows: 110 μm flap thickness, 7.9 mm flap diameter, 170 nJ power, spot distance and tracking spacing of 4.8 μm for lamellar flap and 2 μm for flap side cuts, respectively, flap side cut at 90°, hinge position at 90°, hinge angle of 50°, and spiral in (centripetal) scanning pattern direction. After the flap was lifted, the underlying stroma underwent a 6.5 mm optical zone myopic ablation of −6.00 D using an excimer laser (Technolas; Bausch & Lomb, Rochester, NY) with the following laser parameters: spot size of 2.0 mm diameter, fluence of 120 mJ/cm2, and repetition rate of 100 Hz. Before the flap was repositioned, the stromal interface was gently irrigated with 1.5 mL BSS using a 25-gauge Buratto's cannula for the FS-LASIK with irrigation group, while the irrigation was not done for the FS-LASIK without irrigation group. Immediately after the procedure, the eyes received topical tobramycin ointment once (Alcon, Fort Worth, TX, USA).
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