Viral conjunctivitis is likely to have a watery discharge and the eyes might be sensitive to light.

J-646, a new optical photosensitive cement is characterized by good transmissivity, small shrinkage, moderate strength, good ageing resistance, less toxicity and low cost.

The main factors governing photoinduced toxicity of the anthraquinone are molecular polarity, the ability of electron transition and the largest negative net atomic charges.