Return on Investment

 

Why Every Optometrist Should Understand Return on Investment

One of the most common mistakes private practice owners make is evaluating equipment purchases solely on the monthly loan payment rather than the economic return the equipment can generate. Whether purchasing an OCT, retinal imaging system, visual field analyzer, dry eye treatment platform, or specialty contact lens technology, the critical question should never be:

"Can I afford the payment?"

Instead, the question should be:

"Will the equipment generate sufficient revenue and profit to justify the investment?"

Successful practice owners think like investors. Every dollar invested in equipment should be expected to generate a measurable financial return while simultaneously improving patient care, practice efficiency, and long-term practice value.

This article illustrates how to calculate return on investment (ROI) using the example of a $75,000 retinal imaging system financed for 60 months at 6.00% interest.

Step 1: Calculate the True Cost of the Investment

Many doctors incorrectly assume that a $75,000 equipment purchase costs $75,000.

In reality, financing costs increase the total investment.

Equipment Financing Assumptions:

• Equipment Cost: $75,000
• Interest Rate: 6.00%
• Loan Term: 60 Months
• Monthly Payment: Approximately $1,450

Total Payments: $1,450 × 60 months = $87,000

Total Interest Paid: $87,000 - $75,000 = $12,000

The true investment over the financing period is approximately: $87,000

This figure should be used when evaluating long-term return on investment.

Step 2: Determine Revenue Opportunities

The next question is:

How will the retinal imaging system generate revenue?

There are generally four sources of economic return:

Direct Testing Revenue:

Many practices bill retinal imaging as a medically necessary diagnostic procedure when supported by documentation and payer guidelines.

Assume:

• Average reimbursement per test: $40
• Number of tests per month: 100

Monthly Revenue: 100 × $40 = $4,000

Annual Revenue: $4,000 × 12 = $48,000

Increased Medical Eye Care Revenue

Retinal imaging often identifies pathology requiring:

• Follow-up examinations
• Additional diagnostic testing
• Medical management visits
• Referrals and co-management

Assume:

• 10 additional medical visits per month
• Average reimbursement per visit: $125

Monthly Revenue: 10 × $125 = $1,250

Annual Revenue: $15,000

Increased Patient Retention

Patients increasingly expect modern technology.

Advanced retinal imaging can improve:

• Patient confidence
• Recall compliance
• Retention rates

Assume the practice retains:

• 20 additional patients annually
• Average revenue per patient: $400

Additional Annual Revenue:  20 × $400 = $8,000

Increased Optical Revenue

Patients who perceive a higher level of care often demonstrate greater trust in recommendations.

Assume:

• Additional optical sales: $10,000 annually

Step 3: Calculate Total Annual Revenue Impact

• Direct Retinal Imaging Revenue: $48,000
• Additional Medical Services: $15,000
• Patient Retention: $8,000
• Additional Optical Revenue: $10,000
• Total Incremental Revenue: $81,000 per year

Step 4: Calculate Incremental Profit

Revenue is not profit.

Some expenses must be deducted.

Assume:

Variable Costs - Software fees, maintenance, image storage, staff time:  $6,000 annually

Incremental Operating Profit:  $81,000 - $6,000 = $75,000 annually

Step 5: Calculate Annual Debt Service

• Annual Equipment Payment:  $1,450 × 12 = $17,400 annually

Step 6: Calculate Net Cash Flow Benefit

• Annual Incremental Profit: $75,000
• Less Annual Loan Payments: ($17,400)
• Net Annual Cash Flow: $57,600

This means the equipment generates approximately: $57,600 of additional annual cash flow after paying the lender.

Step 7: Calculate Payback Period

The Payback Period measures how quickly the investment recovers its cost.

• Investment: $75,000
• Annual Cash Flow Benefit: $57,600
• Payback Period: $75,000 ÷ $57,600 = 1.30 years or approximately 16 months

This means the practice recovers the full equipment investment in roughly sixteen months.

Step 8: Calculate Return on Investment

Traditional ROI Formula:  ROI = Net Profit ÷ Investment Cost

• Annual Profit: $75,000
• Investment: $75,000
• ROI: $75,000 ÷ $75,000 = 100% Annual ROI

In other words, the equipment generates profit equal to its purchase price every year.

Step 9: Evaluate Return Over the Full Loan Term

• Five-Year Revenue: $81,000 × 5 = $405,000
• Five-Year Profit: $75,000 × 5 = $375,000
• Total Equipment Cost with Interest: $87,000
• Net Economic Benefit: $375,000 - $87,000 = $288,000
• Five-Year ROI: $288,000 ÷ $87,000 = 331%

This means the practice earns more than three times its investment over the financing term.

The Hidden Value Most Doctors Ignore

Many ROI calculations underestimate the value of technology because they only consider direct reimbursement.

Retinal imaging also provides substantial indirect benefits.

Improved Clinical Care

Earlier detection of:

• Diabetic retinopathy
• Glaucoma
• Macular degeneration
• Retinal tears
• Hypertensive retinopathy
• Increased Practice Value

A practice with advanced technology is often more attractive to:

• Buyers
• Associates
• Referral sources
• Patients

The equipment can contribute to:

• Increased revenue
• Improved profitability
• Enhanced patient retention

All of which positively impact business valuation.

Enhanced Patient Experience

Patients increasingly expect advanced technology.

A modern diagnostic platform often differentiates independent practices from competitors and reinforces the perception of high-quality care.

Questions Every Doctor Should Ask Before Purchasing Equipment

Before purchasing any equipment, ask:

Clinical Questions:

• Will this improve patient care?
• Will it improve diagnostic accuracy?
• Will it improve patient outcomes?
• Financial Questions
• What revenue will it generate?
• What profit will it generate?
• What is the payback period?
• What is the ROI?
• Operational Questions
• How many patients will use it?
• Will staff require training?
• How will it affect workflow?
• Strategic Questions
• Will it differentiate my practice?
• Will it improve patient retention?
• Will it enhance practice value?

The Bottom Line

Equipment purchases should never be evaluated solely based on monthly payments. The most successful private practice owners evaluate equipment as an investment in both patient care and business performance.

In this example, a $75,000 retinal imaging system financed over five years at 6.00% interest produces an estimated annual cash flow benefit of approximately $57,600, recovers its investment in roughly sixteen months, and generates a projected five-year return on investment exceeding 300%.

The lesson for private practice owners is simple: the right technology should not be viewed as an expense. When properly selected, properly utilized, and properly integrated into patient care, technology becomes a revenue-producing asset that enhances clinical outcomes, strengthens patient relationships, improves practice value, and contributes directly to long-term financial success.

Vision One Credit Union has been serving private practice optometrists since 1951 reinvesting over $500 million into private practices nationwide.

If you have any questions regarding this information or would like our feedback or assistance in reviewing your agreement, please feel free to contact Ken Ferreira, Chief Executive Officer and certified practice appraiser at kferreira@visionone.org. 

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