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Ophthalmology ASC Design for Case Flow

Why layout decides how many cases you can actually do.

Updated October 2026 · PACT MATTERS, LLC

An ASC's layout sets a hard ceiling on how many cases it can perform in a day. Design it around flow — of patients, staff, and instruments — and the ceiling is high. Design it around square footage, and no amount of management will raise it.

Layout is a throughput decision

Every extra step between pre-op, the operating room, and recovery costs minutes on every case, all day long. Those minutes are invisible on a floor plan and unavoidable in operation — which is why layout is one of the most consequential decisions in ASC development.

Separate the three flows

The best ophthalmic ASCs keep three flows distinct so they never cross or compete for the same space.

  • Patient flow: pre-op to OR to PACU to discharge without crossing staff or soiled paths
  • Staff flow: quick access to ORs, supplies, and sterile processing
  • Instrument flow: a short, reliable loop between the OR and sterile processing

Design the OR for turnover

Turnover happens in the operating room, so the room should be designed to make it fast. Standardization is the key: identical layout in every OR means staff never have to think about where things are.

  • Standardized room layout across every OR
  • Supplies staged for the next case before the current one ends
  • Equipment positioned to eliminate hunting and travel
  • Storage sized for a full day of cases, not a single case

Build in the operating system

Physical design and the management system must match. Visual boards, huddle space, and a place for the report card should be designed in from the start — not bolted on after opening.

Key Takeaways

  • Layout sets the ceiling on daily case volume
  • Patient, staff, and instrument flows should never cross
  • ORs designed for standardized turnover cut minutes off every case
  • Design visual management and huddle space in from the start

Frequently Asked Questions

What is the most common design mistake?

Under-sizing sterile processing and storage. Instrument turnaround is the quiet constraint on case flow, and it is far cheaper to design for it than to retrofit it.

How many ORs does an ophthalmology ASC need?

It depends on surgeon volume and case mix. Model cases per day per room using realistic turnover times, then add rooms only when flow — not capacity — is the constraint.

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