Burton 7500-I AutoCross Illuminated Phoropter – Minus Cylinder – Used

Description

Used Phoropter for Sale — Burton 7500-I AutoCross Illuminated Minus Cylinder

The Burton 7500-I AutoCross Illuminated Phoropter is a precision subjective refraction instrument built for high-volume clinical use, offered here as a fully serviced used phoropter for sale with all lenses cleaned and controls lubricated. This used phoropter for sale is configured in minus cylinder — the convention used by most North American optometrists and ophthalmologists — and features Burton’s illuminated AutoCross cylinder system, which provides a clearly lit cross-cylinder indicator for faster and more repeatable astigmatism axis refinement compared to non-illuminated alternatives. With a sphere range of ‑19.00D to +16.75D, cylinder range of 0 to ‑6.00D, and a full accessory set including Maddox rod and red/green filters, the Burton 7500-I covers the full clinical spectrum of refraction in a single instrument.

Research published in Clinical and Experimental Optometry confirmed that phoropter-based subjective refraction remains a primary standard for generating accurate spectacle prescriptions, with results that closely agree with automated methods in cooperative patients — making a well-maintained manual phoropter a reliable and cost-effective choice for high-volume refraction lanes. This used phoropter for sale has been inspected and serviced before listing, ensuring clinical readiness from day one.

What’s Included

• Burton 7500-I AutoCross Illuminated Minus Cylinder Phoropter unit
• Full service (all lenses cleaned, controls lubricated)
• 90-day Digital Eye Center warranty

Note: The metal stand shown in product photos is not included with the purchase.

Why Practices Choose the Burton 7500-I

• Illuminated AutoCross cylinder system — the backlit cross-cylinder indicator allows precise axis refinement in dim exam room conditions, reducing patient hesitation and improving consistency of astigmatism measurements across examiners.
• Minus cylinder configuration — aligns with the prescription writing convention used by the majority of North American optometrists and ophthalmologists, eliminating the need for sign-change conversions at the dispensing step.
• Wide sphere range (‑19.00D to +16.75D) — covers myopia, hyperopia, and high-power prescriptions in a single instrument, making this a versatile used phoropter suitable for general and specialty refraction including pediatric and low-vision patients.
• 0.25D lens steps — standard quarter-diopter increments enable precise power refinement and reduce the likelihood of over-prescription in sensitive patients.
• Full auxiliary lens set — includes ±0.50D and ±1.00D fogging lenses, Maddox rod, and red/green filters for binocular balance testing, muscle imbalance assessment, and distance vergence evaluation without additional instruments.
• PD range 48–80mm (near 45–75mm) — accommodates the full range of adult interpupillary distances in both distance and near settings for accurate vertex alignment.
• Standard refractor arm mounting — compatible with virtually all ophthalmic lane chairs and stands using standard refractor arm connections, enabling drop-in replacement of an existing phoropter without lane reconfiguration.

Clinical Applications

• Full subjective refraction cycles in optometry and ophthalmology lanes — sphere power determination, cross-cylinder astigmatism refinement, binocular balance, and near add assessment in a single instrument workflow.
• High-volume primary eye care where a reliable, low-maintenance manual phoropter handles back-to-back refractions without the downtime risk of electronic phoropter systems.
• Pediatric refraction using fogging and binocular balance techniques to minimize accommodation-driven over-minus in younger patients.
• Binocular vision assessment — prism bar testing, Maddox rod heterophoria evaluation, and red/green dissociation for muscle balance assessment in amblyopia and strabismus workups.
• Low-vision practices performing extended-range refraction at powers beyond the range of most automated systems, using the instrument’s full ‑19.00D to +16.75D sphere span.

Who This Is For

• Optometry and ophthalmology practices adding a second or third refraction lane at a lower capital cost than new phoropter purchases, without sacrificing clinical capability.
• Practices replacing a worn-out or malfunctioning phoropter with a serviced, ready-to-use instrument at a fraction of new equipment pricing.
• Residency programs and teaching clinics that need reliable manual phoropters for trainee refraction education and supervised patient care.
• Mobile eye care and satellite clinic operations that require a portable, self-contained refraction instrument compatible with travel refractor arms.

Technical Specifications

Condition & Warranty

Used. This Burton 7500-I has been fully serviced — all lenses cleaned and controls lubricated — and verified working before listing. Note: the illumination function has not been tested as the correct power cable was not available; the functionality of the built-in lights is unknown and not guaranteed. All refractive functions are fully operational. Covered by a 90-day warranty on refractive parts and workmanship (illumination excluded).

Compare Used Phoropter Options

Also consider the Marco RT-700 Minus Cylinder Illuminated Phoropter or upgrade to the Nidek RT-5100 Auto Phoropter for a fully automated refraction lane solution.

Questions about the Burton 7500-I Phoropter? Contact us for availability and shipping details.