Microfluidic analysis utilizing an integrated collection and analysis device, tear osmolarity
CPT4 code
Name of the Procedure:
Microfluidic analysis utilizing an integrated collection and analysis device, tear osmolarity.
Summary
This procedure involves using a specialized device to collect and analyze tear fluid to measure its osmolarity, which is the concentration of dissolved particles in the tears. This test helps in diagnosing and managing dry eye disease.
Purpose
The procedure addresses dry eye disease, which is often caused by an imbalance in the tear film covering the eye. By measuring tear osmolarity, healthcare providers can determine the severity of the condition and monitor treatment efficacy.
Indications
- Symptoms of dry eye such as irritation, redness, blurred vision, or a sensation of something in the eye.
- Patients with systemic conditions like Sjögren's syndrome that predispose them to dry eye.
- Unresponsive cases to standard dry eye treatments where further diagnostic clarity is needed.
Preparation
- No special preparations such as fasting are required.
- Patients should inform their healthcare provider of any medications they're taking, as some might affect tear production.
Procedure Description
- The patient will sit comfortably in an ophthalmologist's or optometrist's office.
- A small, integrated microfluidic collection device will be gently touched to the lower eyelid to collect a tiny tear sample.
- The device will immediately analyze the sample to measure tear osmolarity using advanced microfluidic technology.
- The entire process is non-invasive and typically does not require anesthesia or sedation.
Duration
The procedure typically takes about 5-10 minutes.
Setting
The procedure is performed in an ophthalmologist or optometrist's office.
Personnel
Primarily conducted by an ophthalmologist, optometrist, or a trained nurse or technician under the supervision of the doctor.
Risks and Complications
- Minimal to no risks given it's a non-invasive procedure.
- Rarely, mild discomfort might occur during the tear collection.
Benefits
- Provides a precise measurement of tear osmolarity, assisting in the accurate diagnosis and management of dry eye disease.
- Immediate results can help in making informed treatment decisions.
- Non-invasive with little to no discomfort.
Recovery
- No special post-procedure care is required.
- Patients can resume normal activities immediately after the procedure.
- Follow-up appointments may be scheduled to monitor treatment progress.
Alternatives
- Schirmer's test, which measures tear production by placing a strip of paper under the lower eyelid.
- Fluorescein staining to observe the tear film breakup time.
- Both alternatives might not provide as specific information about tear osmolarity as the microfluidic analysis method.
Patient Experience
- Patients may feel a slight touch on their lower eyelid during tear collection.
- The process is generally quick and painless.
- Any mild discomfort is typically very brief and resolves immediately after the procedure.