iCare IC100 vs IC200: Which Tonometer Is Right for Your Practice?

iCare IC100 vs IC200: Which Tonometer Is Right for Your Practice?

If you are evaluating iCare tonometers for your eye care practice, you have likely narrowed it down to two options: the IC100 and the IC200. Both devices use iCare's patented rebound technology to deliver fast, accurate intraocular pressure (IOP) measurements without anesthetic drops, air puffs, or calibration. But they are built for different clinical situations — and choosing the right one depends on your workflow, patient population, and practice setting.

At Blue River Medical, we represent iCare across Colorado, Arizona, New Mexico, Wyoming, and Utah. We have helped hundreds of OD and MD practices find the right tonometer setup. Here is an honest, accurate breakdown of both devices.

What They Have in Common

Before getting into differences, it is worth noting what the IC100 and IC200 share:

• Patented rebound technology — a single-use probe lightly contacts the cornea for a measurement that patients barely notice
• No anesthesia required — no drops, no prep, no patient discomfort
• No calibration needed — pick it up and measure
• Portable and handheld — battery operated, easy for any staff member to use
• Same measurement range — 7–50 mmHg on both devices
• Same accuracy — ±1.2 mmHg at or below 20 mmHg, ±2.2 mmHg above 20 mmHg
• Same batteries — 4 x AA alkaline on both
• Same probe compatibility — both use iCare TP01 probes

Both devices are appropriate for all patient types, including children and non-compliant patients who struggle with traditional tonometry. For more background on how rebound technology compares to other methods, see our post on Rebound Tonometry vs Air Puff Tonometry.

iCare IC100: The Reliable Screening Standard

The IC100 (model TA011) is iCare's professional tonometer designed for routine IOP screening and everyday clinical use. It is the go-to choice for optometry offices, general eye exams, and any setting where the majority of patients are seated or standing.

Key features of the IC100:

• Fast screening tonometer optimized for routine exams
• Portable and easy for technicians to operate with minimal training
• Comfortable measurement without anesthesia for all patients
• Compact dimensions: 24–29 x 35–95 x 215 mm
• Weight without batteries: 140 g; with batteries: 230 g

The IC100 is ideal for practices that need a reliable, cost-effective tonometer for standard patient flow. If your patients are primarily seated during exams and you do not have a high volume of surgical or supine cases, the IC100 delivers everything you need.

iCare IC200: The Flagship with Positional Freedom

The IC200 (model TA031) is iCare's advanced tonometer, built for practices that need more flexibility. Its defining feature is 200-degree positional freedom — meaning you can measure IOP with the patient standing, sitting, reclined, or in a fully supine position.

Key features of the IC200:

• 200-degree positional freedom — measure IOP in standing, sitting, elevated, or supine positions
• Quick Measure mode — uses only two or three rapid individual measurements instead of the standard six, reducing test time to approximately one-third of the default method
• Position Alignment Indicator — a high-visibility indicator at the probe base confirms correct positioning before measurement; green light means reliable, red means incorrect positioning
• Perpendicular measurement enforcement — the IC200 only accepts measurements taken correctly from the center of the cornea, making results even more reliable
• Dimensions: 43 x 104 x 214 mm
• Weight without batteries: 165 g; with batteries: 260 g

The IC200 is the right choice for larger practices, ophthalmology clinics, surgical centers, and emergency departments where patients cannot always be seated upright.

Side-by-Side Comparison

Feature	IC100	IC200
Model number	TA011	TA031
Positional freedom	Sitting / standing	200 degrees — sitting, standing, supine, reclined
Quick Measure mode	No	Yes
Position Alignment Indicator	No	Yes
Perpendicular measurement enforcement	No	Yes
Supine and surgical use	No	Yes
Measurement range	7–50 mmHg	7–50 mmHg
Accuracy at or below 20 mmHg	±1.2 mmHg	±1.2 mmHg
Accuracy above 20 mmHg	±2.2 mmHg	±2.2 mmHg
Weight with batteries	230 g	260 g
Batteries	4 x AA alkaline	4 x AA alkaline
No anesthesia required	Yes	Yes
No calibration needed	Yes	Yes

Which One Should You Choose?

Choose the IC100 if:

• You need a reliable, portable tonometer for routine IOP screening
• Your patients are primarily seated or standing during exams
• You are an optometry office or general eye care practice
• You want a cost-effective solution that covers the majority of clinical needs

Choose the IC200 if:

• You need 200-degree positional freedom for supine, reclined, or surgical patients
• You want Quick Measure mode for faster exams with challenging patients
• You run a larger ophthalmology practice, surgical center, or emergency department

Many practices choose both. The IC100 handles routine screenings at the technician level, while the IC200 covers advanced clinical and surgical needs. Having both gives your practice complete flexibility at every stage of patient care.

Talk to Blue River Medical

Blue River Medical is the authorized iCare representative for Colorado, Arizona, New Mexico, Wyoming, and Utah. We can help you determine which iCare tonometer — or combination — makes the most sense for your practice volume, workflow, and patient population.

Call us at (877) 707-5688 or use our contact form to request pricing, a demo, or a side-by-side comparison at your practice.