Lenstar LS 900®
While the introduction of optical biometry revolutionized cataract surgery in the late 1990s, Haag-Streit is writing the newest chapter in biometry history with Lenstar.
Lenstar provides highly accurate laser optic measurements for every section of the eye − from the cornea to the retina. With its integrated Hill-RBF Calculation Method, Olsen formula, and the optional Toric Planner featuring the Barrett Toric Calculator, Lenstar provides users with the latest technology in IOL prediction for any patient.
Aside from the exquisitely accurate measurement of axial length, anterior chamber depth, and lens thickness by optical biometry, one of the more impressive features of the Lenstar is that the 2-zone autokeratometry feature can be used for the toric IOL with the same degree of accuracy as manual keratometry.
Drs. Sheridan Lam & Warren E. Hill Speak on Measuring Lens Thickness with Lenstar
Preoperative Validation Criteria Checklist
Preoperative Validation Criteria for the Haag Streit LS900 Lenstar Optical Biometer. Download the checklist:
Lenstar LS 900® — Optical Biometry Platform
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- Improves Refractive Outcome by eliminating the risk and liability of transcription errors.
- Improves Patient Flow by eliminating the need for separate ultrasound measurements for Lens Thickness and Pachymetry, Separate Keratometry and Pupillometry – currently measured separately.
- Improves Data Flow using a separate, external PC for direct communication with EMR and Networks.
- Improves Measurement Precision with OLCR (Optical Low Coherence Reflectometry).
- Improves Consistency in Measurements by the detection of loss of fixation.
Lenstar Benefits
- Lenstar is the first optical biometer that uses the precision of OLCR (Optical Low-Coherence Reflectometry) for all its measurements, including ACD and lens thickness. OLCR is an advanced technology, similar to Time Domain OCT.
- As a biometer of the entire eye, one Lenstar scan consists of 16 individual full-eye scans and 4 individual keratometric scans, taken on 2 concentric rings along the patient’s visual axis.
- The Lenstar software runs on an external PC. This minimizes costly upgrades, software crashes, and hardware repairs, and allows direct communication with EMR and networks, as well as auto-population of data fields from third-party IOL calculators, such as Holladay II, thereby eliminating the risk and liability potential of transcription errors.
- The latest modern IOL prediction formulas are built into the Lenstar software, with potential for future formulas to be added. Since Lenstar measures more parameters than current formulas allow, the system is ready to incorporate future generations of power calculations as they are developed.
- Lenstar uses a proprietary intelligent detection system. The patient fixates on the measurement beam. This ensures all measurements are on the patient’s visual axis. If the patient blinks or loses fixation, Lenstar detects this and resumes when the patient’s fixation returns.
