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Biometers

Haag Streit Lenstar LS900 Gen 1

This pre-owned refurbished Lenstar LS 900 simultaneously calculates seven optical measurements including axial length, central corneal power, central corneal thickness, anterior chamber depth, lens thickness, horizontal corneal diameter, and pupil diameter. This biometer uses optical low-coherence reflectometry to measure along the visual axis and dual-zone autokeratometry to measure the central corneal power without touching the eye. The end result is a truly accurate estimation of IOL power.

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SKU 1064dad65483 Category
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Keratometry (K) – The Lenstar’s dual-zone auto-keratometry feature takes measurements using 32 reference points located in two concentric rings of 1.65 and 2.3mm. Every time the operater hits the trigger button to produce a scan, 128 measurements are acquired. The keratometry measurement process as recommended with five sets of readings (scans) results in a total of 640 keratometry measurements.

Axial Measurements – Anterior chamber depth, lens thickness, and the refractive axial length are simultaneously achieved using optical biometry. The measurement of axial length includes a display of the anterior cornea and posterior cornea, the anterior chamber depth, the lens thickness, as well as the location of the vitreoretinal interface and the retinal pigment epithelium. The Lenstar LS 900 can also be used to measure the post-operative pseudophakic lens thickness, which may be helpful in confirming the correct lens power following a refractive surprise.

Additional Features – Measurement data can be directly imported into standalone software.

This Lenstar 900 Gen 1 simultaneously calculates seven optical measurements including:

  • Axial length
  • Central corneal power
  • Central corneal thickness
  • Anterior chamber depth
  • Lens thickness
  • Horizontal corneal diameter

Pupil diameter.

This biometer uses optical low-coherence reflectometry to measure along the visual axis and dual-zone autokeratometry to measure the central corneal power without touching the eye. The end result is a truly accurate estimation of IOL power.

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