What is the normal pH range after testing a chemical burn?

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Prepare for the NBEO Part III Test with comprehensive questions on Patient Encounters and Performance Skills. Answer multiple choice and scenario-based questions with explanations. Ensure success on your optometry exam!

Multiple Choice

What is the normal pH range after testing a chemical burn?

Explanation:
Normal tear film pH is about 7.0 to 7.4, neutral to slightly alkaline. After a chemical burn, you irrigate and then check the ocular surface pH, aiming for this safe range. Keeping the surface near 7.0–7.4 helps minimize ongoing tissue injury and supports healing. Readings outside this range indicate the eye is still too acidic or too alkaline, requiring continued irrigation and reassessment.

Normal tear film pH is about 7.0 to 7.4, neutral to slightly alkaline. After a chemical burn, you irrigate and then check the ocular surface pH, aiming for this safe range. Keeping the surface near 7.0–7.4 helps minimize ongoing tissue injury and supports healing. Readings outside this range indicate the eye is still too acidic or too alkaline, requiring continued irrigation and reassessment.

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