For weeks, experts have been strongly advising people not to look directly at the total solar eclipse without certified viewing glasses. Failing to heed this warning can lead to permanent eye damage, according to health professionals.

Dr. Russell Van Gelder, a representative of the American Academy of Ophthalmology, cautions that the lenses of the eyes can concentrate the sun's rays to such an extent that it causes immediate burns. This effect can result in a hole in one's vision, potentially causing permanent damage.

It is crucial to remember that the solar eclipse is only safe to view with the naked eye during totality, when the moon completely covers the sun. Looking directly at the sun outside of this period, whether during an eclipse or any other time, can have severe consequences for one's eyesight.

Failure to comply with expert advice can lead to solar eye damage or solar retinopathy, both of which have distinct symptoms. Blurred vision, sensitivity to light, and color distortion are commonly reported symptoms of solar eye damage. Temporary "floaters" or "flashers" may also appear immediately after gazing at the sun. Soreness or pain in the eyes can occur as well.

The severity of the damage may vary. In mild cases, individuals may experience watery eyes, headaches, and light sensitivity. However, more serious cases can result in blurry vision, eye pain, a blind spot, and visual distortions of straight lines or object sizes. Mild cases have the potential to heal within one to six months, but severe damage may be irreversible.

Anyone who suspects they may have solar retinopathy should promptly schedule an appointment with an ophthalmologist to assess the extent of the damage and explore potential treatment options.

In a striking example of the dangers of observing an eclipse without proper eye protection, a woman who viewed the 2017 eclipse without adequate shielding visited Mount Sinai's New York Eye and Ear Infirmary after noticing a black spot in her vision. Doctors later confirmed that the shape of the retinal damage resembled the crescent shape of the eclipse itself.

There is no fixed rule regarding the duration of a glance that can cause permanent damage, as factors such as cloudiness, air pollution, and viewing location can influence its severity. Consequently, physicians advise against risking even a few seconds of unprotected exposure to a solar eclipse.

Reports from U.S. eye doctors indicate that there were numerous cases of solar retinopathy following the 2017 solar eclipse, with dozens of extra visits recorded. This serves as a reminder to the public of the importance of safeguarding their eyes and following expert advice during future solar events.

In conclusion, experts adamantly caution against looking directly at a solar eclipse without the appropriate eye protection. The potential risks of solar eye damage and solar retinopathy, which can lead to permanent vision impairment, make it vital to prioritize eye safety during these celestial events.