Definition of tunnel vision in English:
1Defective sight in which objects cannot be properly seen if not close to the center of the field of view.
- My biggest shock was I couldn't see properly, I had very blurred tunnel vision, and worse than that, I couldn't speak.
- Night blindness develops, usually in childhood, followed by loss of peripheral visual field, progressing over many years to tunnel vision and finally blindness.
- Now ultra-stubborn influences have subsided, symptoms of tunnel vision begin to dissipate.
1.1 informal The tendency to focus exclusively on a single or limited goal or point of view.
- While I understand that you are a more experienced writer, the tendency for this tunnel vision is a human one.
- A teacher, whether brutally domineering or gently insistent, is still capable of suffering tunnel vision, a limited perspective of which he or she may be quite unaware.
- They can suffer from terminal enthusiasm for their subject, with the complication of single-mindedness bordering on tunnel vision.
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