Rekaman ini menunjukkan tes tear break-up time, di mana pewarna fluoresen yang aman membuat lapisan air mata terlihat saat menyebar di permukaan mata lalu perlahan menguap, Lapisan air mata yang sangat tipis ini sangat krusial, Ia menjaga penglihatan tetap jernih, melindungi permukaan mata, dan mencegah iritasi. Setiap kali berkedip, sistem ini diatur ulang dengan menyebarkan lapisan pelindung baru ke seluruh kornea, Ketika lapisan air mata pecah terlalu cepat, permukaan mata menjadi terekspos.

Dr. Stefano Russo on Instagram: "Tear Film instability measured with Fluoresceina BUT Fluorescein BUT: The tear break-up time test is easily and quickly performed via fluorescein dye instillation. After the fluorescein is instilled, the patient is asked to stare without blinking. The cornea is observed under the cobalt blue light and time is counted in seconds, from the time of the last blink until a pocket of cornea appears that is no longer covered with fluorescein stained tears. The longer th

Did You Know | Your eyes start drying out seconds after you stop blinking. 👁️💧 This footage shows a tear break-up time test, where a harmless fluorescent... | Instagram