XENSUR — a surgical training simulator that lets surgeons master cataract and ophthalmic procedures with real instruments, building measurable operating-room skill before any patient is at risk.
The OR before the OR
Train with real instruments.
Build measurable surgical mastery.
Put no patient at risk.
1 cataractsurgeries worldwide since you arrived
618 M+
Cataract prevalence
30 M+
Cataract procedures
Five pillars of
Surgical Mastery
Realistic surgical simulation
Train in a true-to-life surgical environment using real instruments and a life-size eye model.
Zero Patient RiskIt looks, feels, and responds like real surgery — with zero patient risk.
Every Micron, Tracked
Capture every hand movement and instrument trajectory with exceptional accuracy.
Tap to move your chopper.
20 µm
Micrometer tracking
Trace the rhexis.
Your hand, measured.
Transform surgical data into actionable insights and performance feedback.
It's your turn!
Tap to clear the targets.Try to clear the targets.
One hour with CatAR.
Skill improves dramatically.
After one hour of practice, all 28 trainees traced closer to the target circle. Here are two examples: before and after.
ALL 28 TRAINEES · AVG DISTANCE TO CIRCLE
Source · Huang et al., “CatAR: A Novel Stereoscopic Augmented Reality Cataract Surgery Training System,” CHI 2018. doi.org/10.1145/3173574.3174039
AI-Powered Surgical Analytics
PhacoSense is an AI surgical imaging platform that analyzes every procedure, extracts instrument data, and transforms operations into actionable insights.
PHACOSENSE
ACTIVE
SETUP
DURATION
00:00 / 16:15
CASE ID
4812-OD
0mmHg
0cc/min
0mmHg
peak 0 mmHg
0%
0%
0.00%·s
Four layers of surgery.
One data spine.
Training creates motion. Analytics creates insight. Together, they power AI guidance and autonomous surgery.
LAYER 01
Train the Hands
CatAR
Realistic surgical training for real-world performance
LAYER 02
Analyze Decisions
PhacoSense
Turn surgical videos into actionable insights
LAYER 03
Guide Live Surgery
In Development
AI-powered guidance for better surgical decisions
LAYER 04
Embodied Robots
Vision
Training autonomous surgery with real motion data
Executive Team
Cataract & Refractive Surgeon (18+ years)
Director
Universal Eye Center
Board Supervisor
Ophthalmological Society of Taiwan
Secretary general
Intraocular Implant & Refractive Society of Taiwan
PhD in Computer Science
National Taiwan University
Alex Huang, MD PhD
Founder / CEO
Computer Vision & Machine Learning Engineer (6+ years)
M.S. in Electronic Engineering
National Taiwan University of Science and Technology
ML Principle Engineer
HTC VIVE
Viki Yang
CTO
Frontend Engineer (6+ years)
M.S. in Computer Science
National Taiwan University
Senior Frontend Engineer
Optoma, Perfect, etc.
Lynda Lin
Engineer
Milestones
2015
First Prototype Built
Built the first-generation AR cataract surgery training prototype.
2017
Clinical Case Study
Completed the first user study at NTUH, validating AR-based cataract surgery training in a clinical setting.
2017
Core IP Filed
Filed the first patent family in Taiwan, establishing the foundation of Xensur’s IP portfolio.
2021
Global IP Expansion
Secured the first U.S. patent and expanded the second patent family across Taiwan, China, and Japan.
2022
U.S. Patent Secured
Secured the second U.S. patent, strengthening Xensur's international IP position.
2023
European Patent Protection
Expanded patent protection to Europe, validated in Germany, the United Kingdom, and France.
Apr 2025
Xensur Medical Founded
Incorporated Xensur Medical, bringing the technology from research into startup commercialization.
Apr 2026
Deeptech Pitch Team
Selected as a Taiwanese pitching team at the Japan × Taiwan Deeptech Innovation Gathering.
May 2026
IP² Scale Out Program
Selected for the 2026 IP² Scale Out Program to support global expansion.
Jun 2026
Venture Star Finalist
Named a finalist in the 2026 Venture Star – New Taipei Startup Challenge, AI Category.