What Keystone View does

Keystone View is a Reno, Nevada-based medical equipment supplier specializing in vision screening instruments and consumables, operated as a trade name under Mast Concepts. Founded in 1892, the company designs, sells, and ships computer-controlled vision screeners (VS-V and CVS-V series), telebinocular stereoscope systems, and a broad catalog of diagnostic test sets and record forms used to assess acuity, binocular vision, depth perception, color perception, stereopsis, peripheral vision, and near/far vision. Its product line is segmented by end use: occupational health (VS-V Standard), physician/medical (VS-V GT Medical with glare test), schools (VS-V Universal, CVS-V Universal, Rapid Screening Tests), driver licensing (DVS-V GT Drivers, Driver Vision Test Set, Pilot Vision Test Set), and pediatrics (CVS-V Pediatric, Peek-a-Boo Test). The company also produces state-mandated test sets approved by Illinois, Massachusetts, and New York education departments, as well as county-specific (Broward) variants.

Keystone View operates a direct-to-consumer e-commerce model through keystoneview.com, shipping globally via UPS with international orders accepted in US currency. Pricing is unit-based for consumables ($45–$330) and quote-based for hardware, with a 30-day money-back guarantee (excluding expendable supplies) and a $35 minimum order. Customer segments span schools, occupational health providers, physicians, driver licensing agencies, optometrists, and parents — distributed across SMB and individual buyers rather than anchored to any single large customer. The company supports sales with a Knowledge Center containing vision health content and a 50+ term glossary, plus downloadable manuals, brochures, training videos, and software.

The business is private, with no disclosed funding rounds, no institutional investors, no patents, no certifications, no partnerships, and no M&A activity in the data. Headcount is 11–50 employees. Certain legacy products have been discontinued (CVS-V Pediatric, Physicians Visual Rating Tests). The company shows no AI/ML or modern digital health capabilities; its competitive position rests on heritage, state-specific regulatory approvals, and a comprehensive optical screening catalog rather than technology differentiation.

Name

Keystone View

Legal name

Mast Concepts

Website

https://keystoneview.com

Company type

Private

Founded year

1892

Operating status

Operating

Headcount range

11–50 employees

Short description

Keystone View is a Reno, Nevada-based medical equipment supplier that designs and sells computer-controlled vision screeners, telebinocular systems, and diagnostic test sets to schools, occupational health providers, physicians, and driver licensing agencies via direct e-commerce.

Ownership category

akta.pro rank

Product category

Medical Vision Screening Equipment

NAICS

Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (3345), Ophthalmic Goods Manufacturing (339115)

SIC

Surgical & Medical Instruments & Apparatus (3841), Ophthalmic Goods (3851)

akta.pro primary industry

Visual Field & Functional Vision Testing (Perimetry, ERG/VEP, Contrast Sensitivity) (HLAHAJAC)

akta.pro secondary industries

Refractive Diagnostics & Biometry (Autorefractors, Keratometers, Topography/Tomography, A-Scan/Optical Biometry) (HLAHAJAA), Pediatric Ophthalmology & Orthoptics Devices (Amblyopia Therapy, Strabismus Measurement & Treatment) (HLAHAJAM)

Keywords

• Vision screening equipment
• Telebinocular systems
• Medical diagnostic devices
• Vision testing instruments
• Eye examination equipment

Headquarters

HQ city

Reno

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Technology or R&D, Personnel, Operations, Marketing or Sales

Revenue model

1. Vision Screening Equipment Sales: Sale of vision screening instruments including VS-V Series, CVS-V Series, and Telebinocular systems. Products sold with warranty coverage (1-2 years depending on product) and FOB Reno, NV shipping terms.
2. Diagnostic/Screening Materials: Sale of consumable diagnostic materials including record forms, charts, stereo targets, test sets, and vision screening programs/packages
3. Vision Training Materials: Sale of vision training instruments, materials, and programs including Brock Technique, Groffman Program, and other therapeutic tools

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Keystone View designs, manufactures, and sells computer-controlled vision screening equipment (VS-V and CVS-V series), telebinocular stereoscope systems, and an extensive line of diagnostic/screening materials, record forms, and vision training materials. Its products screen for acuity, binocular vision, depth perception, color perception, peripheral vision, and other visual skills for occupational health, school, physician, and driver licensing applications.

Product overview

Keystone View offers a comprehensive portfolio of vision screening solutions centered around their VS-V and CVS-V series of vision screeners. The core product line includes computer-controlled vision screeners (VS-V Standard, GT Medical, Universal, and DVS-V Drivers variants) designed for different sectors - occupational health, medical/physician, school, and driver licensing applications. The product ecosystem is supported by an extensive range of diagnostic/screening materials including Visual Skills Test Sets, Driver Vision Test Sets, Industrial Short Tests, O.E.P. Test Sets, and Rapid Screening Tests for Schools. The company also provides specialized state-specific tests (Illinois, Massachusetts, New York) and state-approved school testing programs. Vision screening is conducted using Ophthalmic Telebinocular instruments, with supporting record forms (VSII/VS IV Record Form, Multi-Stereo Scoring Form, School Survey Form 5B) for documentation. The products feature 5-minute screening capability, portable design, and remote or PC control options.

Differentiator

Problem solved

Functional benefit

Products and services

• VS-V Standard Vision Screener Computer-controlled vision screener designed for occupational health testing that quickly screens acuity, binocular vision, depth perception, phoria, stereopsis, color perception, peripheral vision, and near/far vision.
• VS-V GT Medical Vision Screener Vision screener with glare testing capability designed for physicians and medical-grade vision assessment.
• VS-V Universal Vision Screener Vision screener with comprehensive testing capabilities for school vision screening programs.
• CVS-V Standard Computer Controlled Vision Screener Computer-controlled vision screening device for standardized occupational health vision testing.
• CVS-V Universal Computer Controlled Vision Screener Universal computer-controlled vision screener with comprehensive testing capabilities for schools and broad screening use.
• DVS-V GT Drivers Vision Screener Vision screener designed specifically for driver licensing agencies to test the visual skills important for driving safety.
• Ophthalmic Telebinocular Stereoscopic viewing instrument used with vision test sets for comprehensive vision assessment.
• Visual Skills Test Set 15-target test set for school vision screening covering phorias, color vision, stereopsis, fusion readiness, and binocular visual efficiency.
• Driver Vision Test Set 9 stereo target set used by driver licensing professionals to check 6 visual skills considered most important to driver efficiency and safety.
• Industrial Short Tests

Quantifiable outcome

• 5-minute screening time per exam
• +1 more outcomes

Segments6 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators1 record

Recent moves5 records

Expansion highlights3 records

Emerging players

• iScreen Vision: Cloud-connected, digital pediatric vision screening platform targeting schools and pediatricians — a direct technology substitute for Keystone View's CVS-V Pediatric screener in the pediatric/school segment.
• Plusoptix: Specializes in handheld, camera-based pediatric vision screeners used widely in school and pediatric practice settings. Represents the next-generation digital alternative to Keystone View's stereoscope approach for the same use cases.

Broad incumbents

• EssilorLuxottica: Ophthalmic optics giant producing lenses, frames, and increasingly diagnostic/equipment products for optometrists. Broad incumbent in the eye-care ecosystem that touches many of the same downstream customers as Keystone View.
• Welch Allyn (Hillrom / Baxter): Major medical-device manufacturer whose vision screening and spot-check instruments are sold to occupational health and primary care — overlapping with Keystone View's physician and occupational health segments.
• Topcon Healthcare: Large diversified ophthalmic and medical imaging equipment manufacturer. While they focus on diagnostic imaging (OCT, fundus cameras) rather than mass screening, their ophthalmic instrument portfolio overlaps with vision testing in optometry and occupational health settings.

Direct peers

• Stereo Optical: Long-standing manufacturer of Optec vision screeners and stereo-target test sets used in occupational health, schools, and driver licensing — directly comparable product line and customer base to Keystone View's VS-V and test-set offerings.
• Reichert Technologies (including Titmus): Reichert acquired Titmus, the historical direct competitor to Keystone View in stereoscope-based vision screeners. They sell computer-controlled vision screening instruments for occupational, school, and driver-licensing use cases — the exact same product/market space as Keystone View.

Regional players

• School Health Corporation: US-focused supplier of health and screening supplies to K-12 schools — a distribution channel overlap with Keystone View's school screening products, though School Health is broader in scope.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat2 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/watch?v=FHftS6zouP8

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Keystone View