Exactly why the redwoods grow so tall is a mystery. Theories continue to develop but proof remains elusive. The trees can reach ages of 2,000 years and regularly reach 600 years. Resistance to natural enemies such as insects and fire are built-in features of a coast redwood.
People who read this page also read: All optometrists have access to a wide range of eye drugs for diagnosing and treating eye diseases. They can sell or supply certain eye medicines to patients. Alternatively, they may give you a written prescription so you can obtain medicine at a pharmacy.
An optometrist may perform an eye exam and write a prescription for corrective lenses, while an optician may fill that prescription. Now letâs add one more âoâ to the mix: An ophthalmologist is a medical doctor who specializes in all aspects of eye care including diagnosis, management, and surgery of ocular diseases and disorders.