When Is an Injured Eye Permanent and Stationary?

Marc H. Shomer, MD, PhD, QME · Published August 3, 2026 · Last reviewed August 3, 2026

What the Standard Actually Asks

Permanent and stationary status (P&S) asks whether the condition has plateaued: has the eye reached a level of function not reasonably expected to improve or deteriorate substantially, given available treatment? Three points are frequently misunderstood. P&S does not mean treatment is finished — a P&S eye may still need drops for pressure control, periodic imaging, or eventual device replacement, all addressed separately as future medical care. P&S does not mean recovered; an eye can be stably and permanently impaired. And the judgment is prospective and probabilistic, resting on the natural history of the specific condition, the treatment already delivered, and the pattern of the claimant's own measurements over time — which is why serial documentation matters more than any single examination. The procedural framework appears under permanent and stationary evaluations; this article concerns the medical substance of the timing decision.

What Must Stabilize in an Eye

Ophthalmology has a specific advantage here: stability is measurable rather than inferred from symptom reports. The elements that should be demonstrably stable before an eye is called P&S include:

• Best-corrected visual acuity across multiple visits, showing a plateau rather than a trend. One measurement establishes a value, not a trajectory.
• Refraction — the prescription itself must be stable, since best-corrected acuity is meaningless if the correction is still shifting. Refraction changes after corneal injury, after intraocular surgery, and while the eye's surface heals.
• Corneal and wound healing — epithelial defects closed, sutures removed or stable, scarring mature. Corneal scars remodel and often clear substantially over months.
• Intraocular inflammation — quiescent off treatment, or controlled on a stable regimen, without recurrent flares.
• Intraocular pressure — controlled and steady on an unchanging regimen, since traumatic and post-surgical pressure problems can emerge or resolve over an extended period.
• Retinal status — attached, without active fluid, traction, or progressive change on serial optical coherence tomography (OCT, cross-sectional retinal imaging).
• Visual field — reproducible across at least two reliable studies, with defects stable in location and depth.
• Media clarity — the optical pathway not still clearing or still opacifying. Traumatic cataract, vitreous hemorrhage, and posterior capsule opacification each change acuity over time.

Common Reasons an Eye Is Not Yet Permanent and Stationary

Several situations should stop a P&S determination, and each is identifiable from the records:

• Surgery is pending or reasonably contemplated. If a cataract extraction, corneal transplant, retinal procedure, or glaucoma operation is planned or medically indicated, the eye's future function is unknown. Rating before an operation that is expected to change acuity substantially produces a number with a short shelf life.
• A cornea is still healing or a scar is still remodeling. Corneal wounds and scars change over months, and irregular astigmatism from a healing surface can improve considerably. Rating acuity during that window generally overstates permanent impairment.
• Active inflammation. Uveitis, persistent post-surgical inflammation, and inflammatory macular edema fluctuate, and acuity fluctuates with them. Stability means quiet, not merely treated.
• Unstable retinal disease. Recent detachment repair with evolving subretinal fluid, active proliferative changes, macular edema still responding to treatment, or any process still showing change on serial OCT.
• Recent intraocular lens exchange or repositioning. Refraction and acuity settle over weeks to months after lens surgery, and a recently exchanged or repositioned implant has not yet declared its final refractive result. The same applies after other intraocular surgery.
• Refraction not yet stable. The most easily overlooked item. Serial refractions that continue to drift mean the measurement underlying the entire rating is still moving.
• Necessary testing not yet reliable or not yet repeated. Impairment rating for vision requires acuity and visual field data, and a single field study — particularly one with poor reliability indices — is not a foundation for a permanent rating.
• An unresolved diagnosis. Where the cause of a deficit has not been established, the prognosis cannot be stated, and a stability judgment is premature.

Why Premature Timing Distorts a Case

Rating too early can err in either direction, which is why the mistake is not systematically favorable to anyone.

It can overstate impairment. An eye rated during the healing phase — a cornea still clearing, an inflammation still settling, a vitreous hemorrhage still absorbing — records a deficit that would have improved substantially with time. Ratings taken in this window attribute transient impairment to permanent injury.

It can understate impairment. Some ophthalmic consequences of injury declare themselves late. Angle-recession glaucoma can develop years after blunt trauma; traumatic cataract may progress over months; epiretinal membrane and macular pucker develop after retinal repair; a corneal scar can decompensate. An eye rated before these emerge is rated on a picture that will worsen.

It contaminates the apportionment analysis. Apportionment divides an established permanent disability, so if the disability is not yet established, the division rests on unstable inputs — an issue worked through in Apportionment in an Eye Claim: A Worked Hypothetical.

It distorts valuation and settlement posture. Both sides negotiate against the rating. A premature number moves the negotiation to a figure that the medicine does not support in either direction, and disputes that follow tend to be expensive relative to the cost of waiting for stability.

The Opposite Error: Deferring Without a Reason

Indefinite deferral has costs too: claims remain open, treatment continues without a defined endpoint, and the claimant's circumstances stay unsettled. The standard is not certainty that nothing will ever change — no physician can supply that — but whether material change is reasonably expected within the relevant horizon. An evaluator deferring P&S should say what is expected to change, on what evidence, over what interval, and what would establish stability. "Not yet P&S" without that explanation is as unhelpful as a premature rating.

What Changes if the Condition Later Progresses

Eyes sometimes change after a well-reasoned P&S determination, and a later change does not retroactively invalidate the original opinion if it was reasonable on the evidence then available. Medically, a subsequent change calls for re-evaluation: documenting the new findings and assessing whether the change represents progression of the industrial condition, the natural history of a non-industrial condition, an intervening event, or the consequence of further treatment. That distinction turns on the same causation reasoning that governs the original claim.

Whether and how a later change may be presented — reopening, new and further disability, the effect of stipulations or an award, and applicable time limits — are legal questions governed by statute and procedure, and they belong to counsel rather than to the evaluating physician. The physician's contribution is to characterize the change accurately: what is different, when it changed, and what most likely explains it. Long-latency ophthalmic complications are one reason attorneys handling workers' compensation eye injuries should ask specifically, before resolution, what late complications the particular injury is known to produce.

What Supports a Defensible P&S Determination

• Serial measurements — acuity, refraction, pressure, imaging — from more than one date, demonstrating a plateau rather than asserting one.
• At least two reliable visual field studies where field loss contributes to the rating.
• A statement that no further surgery or vision-altering treatment is planned or medically indicated, or an explanation of why a contemplated procedure would not materially change function.
• An explicit account of the condition's natural history and why material change is not reasonably expected.
• Identification of known late complications of this injury type and appropriate surveillance.
• A separate statement of anticipated future medical care, which does not affect stability.
• Candor about residual uncertainty, including any finding that would prompt reassessment.

Reduced to a sentence: P&S is a claim about a trajectory, and the way to support one is to show more than a single point on it. Attorneys who supply the serial records that make the trajectory visible — the point of complete record production — get determinations that hold up.

Frequently Asked Questions