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Quadrant Eye

DefunctYC W21

San Francisco, US · Founded 2020 · 4 employees · 10 known investors

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Quadrant Eye develops at-home diagnostic technology to conduct comprehensive eye examinations. The platform aims to increase access to eye care services and help prevent avoidable vision loss.

Also known as Quadrant Eyes Inc.

AI & Machine LearningHealthtechMedical DevicesArtificial IntelligenceDeep LearningDigital HealthTelemedicineUnited States of AmericaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (W21)

Quadrant Eye was founded in 2020 by Quinn Wang and Kristine Hara.

QWQuinn Wang
Quinn WangFounderuntil 2025Quinn Wang is a former ophthalmologist who specialized in cataract surgery.
KHKristine Hara
Kristine HaraFounderuntil 2025Kristine Hara is CTO of Quadrant Eye, previously served as an early engineer at a16z-backed UnitedMasters, and has background as a computational biologist with publications in data mining, computer science, and biology.
JH
Jobs HRHRuntil 2025

Investors · 10

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

Amino CapitalreportedPalo Alto · $100K – $10M

How we know: Y Combinator's founder network · Not right? Tell us

Conscience VCreportedAustin · $250K

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Harvard Management CompanyreportedAllston

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Khosla VenturesreportedMenlo Park · $100K – $20M

How we know: Y Combinator's founder network · Not right? Tell us

Lombardstreet VenturesreportedWoodside · $500K

How we know: Y Combinator's founder network · Not right? Tell us

Peterson Venture PartnersreportedSalt Lake City · $5M – $25M

How we know: Y Combinator's founder network · Not right? Tell us

Precursor VenturesreportedSan Francisco · $250K – $4M

How we know: Y Combinator's founder network · Not right? Tell us

Share VenturesreportedPlaya Vista

How we know: Y Combinator's founder network · Not right? Tell us

Related companies · 5

RTHMRTHM combines artificial intelligence with clinical expertise to help patients with complex and unexplained illnesses find faster paths to diagnosis and treatment. The platform serves patients and healthcare providers within the digital health and diagnostics industry.
DailyDoctorDailyDoctor is a remote patient monitoring service where physicians review patient health data daily and provide same-day clinical responses, with a focus on chronic disease management for conditions like COPD and hypertension. The service is designed for Medicare and Medi-Cal eligible beneficiaries who use daily home health monitoring.
RinseRinse combines technology and hospitality with science-based dental care to provide preventive oral health services through modern studio experiences. It aims to modernize dentistry by addressing fragmented industry practices and outdated approaches.
Equipt HealthEquipt Health operates a platform that enables healthcare organizations to dispense prescribed medical devices to patients, handling logistics, clinical provider coordination, technical support, and data integration from connected devices; the company initially focuses on sleep apnea treatment through its consumer brand.
AlfieAlfie was an AI-powered clinical decision support platform for obesity and metabolic health management that analyzed patient medical history to recommend evidence-based treatment strategies. The company has been acquired by knownwell and is no longer operating independently.

Companies working in the same space as Quadrant Eye.

Legal entities · 1

corporate structure
Quadrant Eyes Inc.

In the news

Quadrant Eye Funding | <$5M Revenue | Complete Analysis | Extruct AIextruct.ai

Frequently asked questions

What does Quadrant Eye do?
Quadrant Eye develops at-home diagnostic technology to conduct comprehensive eye examinations. The platform aims to increase access to eye care services and help prevent avoidable vision loss.
Who founded Quadrant Eye?
Quadrant Eye was founded by Quinn Wang, Kristine Hara in 2020.
Who are Quadrant Eye's investors?
Quadrant Eye's investors include Fourth Realm, Y Combinator, Amino Capital, Conscience VC, Harvard Management Company, Khosla Ventures, Lombardstreet Ventures, Peterson Venture Partners and 2 more.
Where is Quadrant Eye headquartered?
Quadrant Eye is headquartered in San Francisco, US.