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Visionstar TL-6500

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Visionstar ENT, Ophthalmic & Sensory

Visionstar TL-6500

Dark lenses read as easily as clear ones do

The Visionstar TL-6500 low transmittance lensmeter reads lenses down to 5 per cent transmittance, including dark sunglasses, along with tinted and polarised lenses, with sphere to 25.00D, 0.01D resolution and a green measurement beam at 525nm fitted. Medigear.uk confirms the full configuration on request.

Sections

Lensmeters

Categories

ENT, Ophthalmic & Sensory

Condition

New

Origin

China

Seller Type

Certified Professional Seller

CE & ISO Certified

Global Shipping

Supplier: Medigear

The Visionstar TL-6500 is a low-transmittance lensmeter built for lenses that defeat a standard instrument—dark sunglasses, heavy tints, and polarised lenses that most lensmeters either refuse to read or read unreliably, leaving the operator to guess, retry at a different angle, or send the job back unverified. It measures down to 5 per cent transmittance, so a category 3 or 4 sunglass lens can be checked with the same confidence as a clear single vision, which matters in any practice dispensing prescription sunwear, sports eyewear, driving tints or occupational lenses where the patient is paying for a prescription they have every right to expect is accurate. A green measurement beam at 525nm is fitted, chosen to penetrate dense and polarised material where other wavelengths scatter or are absorbed, giving a stable, repeatable reading rather than a hunting one — and repeatability is the whole point when the same pair may be read at glazing, at final check and again if the patient returns with a complaint. Sphere is measured to 25.00D at 0.01D resolution, a fine enough step to confirm finished work against the prescription rather than approximate it, and wide enough to cover everyday dispensing alongside the higher-power jobs at the far end of the book. The tilting colour touch screen angles to suit a seated or standing operator and stays readable across a dispensing bench, a workshop counter or a busy consulting room, and the touch interface keeps training short for part-time staff and locums who use the instrument only occasionally. The clamping lever, accessible lens table and stable weighted base suit repeated use through a full day of work, and the marking unit sits directly over the table so centre and axis can be marked without moving the lens. In practice it earns its place two ways: as a dedicated second instrument in a practice already running a general lensmeter, taking the awkward sunwear and tinted jobs off it, or as the main unit anywhere — sports dispensing, marine and ski specialists, occupational health, high-street practices with a strong sunglass trade — where tinted and polarised work makes up a meaningful share of the job list. Supplied new by Medigear, a certified professional seller, CE and ISO certified with global shipping; Medigear.uk confirms the full configuration, including cylinder and addition ranges, prism measurement, UV reading, PD measurement, printing and connectivity options, on request.

Ultra Low Transmittance Measurement

Lenses of 5 per cent transmittance or greater are stated as measurable, with dark sunglasses, tinted lenses and polaroid all named by the manufacturer.

Green Measurement Beam

Measurement uses a green light beam at 525nm, which the manufacturer lists among the principal features of this particular instrument.

Four Resolution Steps

Sphere, cylinder and addition are each selectable at 0.01, 0.06, 0.12 or 0.25D, a finer set of steps than an instrument of this kind commonly offers.

Sphere, Cylinder and Addition

Sphere runs minus 25.00 to plus 25.00D, cylinder 0 to plus or minus 10.00D and addition 0 to plus 10.00D, with axis across 0 to 180 degrees in 1 degree steps.

Two Pupillary Distance Modes

Pupillary distance is measured from 42.0 to 82.0mm, covering single vision PD and progressive lens far vision PD as two separate stated measurements.

Wide Lens Acceptance

Measurable lens diameter runs from 10 to 119mm, which takes small rimless lenses at one end and uncut blanks at the other end of the stated range.

Adjustable Touch Screen

A 7 inch touch screen at 800 by 480 is fitted, with the angle adjustable, which the manufacturer relates to easier observation and more comfortable operation.

Printing and Three Interfaces

A built-in thermal printer is fitted, with RS232, LAN and USB interfaces provided, and ultraviolet and blue light measurement listed as an optional function.

Sunglass and Tinted Lens Dispensing

This is the case the instrument is built for. Most lensmeters lose accuracy as a lens darkens, because less light reaches the sensor, so a practice dispensing sunglasses or occupational tints often cannot verify the very lenses a patient is most likely to question. Reading down to 5 per cent transmittance removes that gap in what a practice is actually able to check for itself.

Polarised Lens Verification

Polaroid is named specifically alongside tinted lenses. Polarised lenses are awkward on many instruments, and a practice fitting them for driving or water sports needs to confirm both the power and that the lens is what was ordered. Being able to measure them on the same bench as everything else removes a separate step from the verification routine of the practice entirely.

Progressive Lens Dispensing

Two pupillary distance modes are provided, one for single vision and one for progressive far vision. A progressive dispense depends on the far vision figure, and taking it from the same instrument as the power means the whole record comes from one source rather than being assembled from a rule and a separate reading afterwards from a rule.

Benches Wanting Fine Resolution

Four resolution steps down to 0.01D let an operator work as finely as a task demands. Routine checking runs at 0.12 or 0.25, but a disputed pair needs the hundredth, and having 0.06 between them is unusual and useful for work that falls between the two. With RS232, LAN and USB, results reach a system without being typed in afterwards by hand at a keyboard.

It Measures What Others Cannot

Transmittance down to 5 per cent is the specification that matters here, because it covers exactly the lenses an ordinary instrument struggles with. Dark sunglasses, heavy tints and polaroid are also the lenses patients query most, being expensive and worn in bright conditions. An instrument that verifies them removes the awkward answer that a practice simply cannot check the very pair being complained about, which is never a good position to be in.

Resolution to Suit the Question

Offering 0.01, 0.06, 0.12 and 0.25D is a wider choice than most instruments give. Routine verification does not need a hundredth of a dioptre, but a disputed pair does, and the intermediate 0.06 covers work that needs more than a quarter step without demanding the finest. Being able to match the resolution to the question is what keeps a bench both quick in ordinary use and properly defensible when it needs to be.

Both Pupillary Measurements

Single vision PD and progressive far vision PD are listed as separate measurements, which matters because they are not the same figure and a progressive dispense depends on the second. An instrument that takes both means a dispensing record comes from one source, rather than a power reading here and a fitting measurement taken separately with a rule and a marker pen.

The Visionstar TL-6500 reads sphere from minus 25.00 to plus 25.00D, cylinder from 0 to plus or minus 10.00D and addition from 0 to plus 10.00D, each selectable at 0.01, 0.06, 0.12 or 0.25D, with axis across 0 to 180 degrees. Lenses of 5 per cent transmittance or greater are stated as measurable, including dark sunglasses, tinted lenses and polaroid, using a green measurement beam at 525nm. Measurable lens diameter runs 10 to 119mm and pupillary distance 42.0 to 82.0mm, covering single vision and progressive far vision PD. A 7 inch adjustable touch screen at 800 by 480, a built-in thermal printer and RS232, LAN and USB interfaces are fitted.

Three points need settling before an order. The material carries two panels for this model which disagree: one states 145 measurement points and the other gives 108, and one puts prism at 0 to 20 while the other puts it at 0 to 10 instead. Both are reproduced here without either being preferred, and the correct figures should be confirmed. Ultraviolet and blue light measurement is optional rather than standard. No electrical supply specification, dimensions or weight appear on the material held.

If your practice dispenses sunglasses, fits polarised lenses, or wants fine resolution available at the bench, speak to Medigear.uk. As a verified medical equipment supplier working across medical, dental, rehabilitation and aquatic therapy settings, the team will confirm the specification.

FAQ

Frequently Asked Questions

Everything buyers need to know about sourcing medical equipment through MediGear.

Yes, it can. Lenses of 5 per cent transmittance or greater are stated as measurable, with dark sunglasses, tinted lenses and polaroid all named. Most instruments lose accuracy as a lens darkens, since less light reaches the sensor, so this covers a gap that many benches quietly have when a patient brings back an expensive pair of sunglasses.

That is a question for Medigear.uk. The material carries two panels for this model: one states a sensor with 145 measurement points and the other gives 108, and one puts prism at 0 to 20 while the other puts it at 0 to 10 instead. Both are reported here without either one of them being preferred, since the card offers no basis for choosing between them.

Sphere, cylinder and addition are each selectable at 0.01, 0.06, 0.12 or 0.25D. That is a wider choice than most instruments give, and the intermediate 0.06 step suits work needing rather more than a quarter step without demanding the very finest step that is available.

Sphere runs minus 25.00 to plus 25.00D, cylinder 0 to plus or minus 10.00D and addition 0 to plus 10.00D, with axis across 0 to 180 degrees in 1 degree steps. Measurable lens diameter runs from 10 to 119mm across the whole of the stated measuring range.

Pupillary distance from 42.0 to 82.0mm, covering single vision PD and progressive lens far vision PD as two separate measurements. They are not the same figure, and a progressive dispense depends upon the far vision one being taken properly at the dispensing bench, and never estimated from the single vision figure.

It is listed as an option, and not as standard. Ultraviolet and blue light measurement appears on the material as an optional function, so it ought to be specified explicitly when an enquiry is made if a practice wants that capability upon the instrument as supplied.

A built-in thermal printer is fitted, and the interface covers RS232, LAN and USB. Three routes mean a reading reaches a practice system without being typed in by hand, which is where transcription errors most commonly enter into a dispensing record of almost any kind.

Measurement uses a green light beam at 525nm, which the manufacturer lists among the principal features. The wavelength is stated on the material without further explanation, so any question about how it affects a particular lens material should be put to Medigear.uk.