The unique optomap ultra-widefield view helps your eye care practitioner detect early signs of retinal disease more effectively and efficiently than with traditional eye exams. Early detection means successful treatments can be administered and reduces the risk to your sight and health.
An electron dot diagram is a method of writing the chemical symbol of an element by surrounding it with dots to indicate the number of valence electrons. Valence electrons are found in an atom's outer shell and are the ones involved in chemical reactions.
1 Typically the colors of circle symbol or shape signs are red and black on white or white on black. 2  Triangle â A triangle sign, or a triangle symbol within a sign, indicates caution or danger. 3  These are considered Warning signs with the purpose to indicate a potential hazard (caution) or a definite hazard (danger).