Cost for keratoconus treatment can vary greatly depending on the best option for the individual patient. Since treatments range from glasses and contact lenses (several hundred dollars) to a corneal transplant (many thousands of dollars) it is difficult to suggest one cost for keratoconus treatment.ost for keratoconus treatment can vary greatly depending on the best option for the individual patient. Since treatments range from glasses and contact lenses (several hundred dollars) to a corneal transplant (many thousands of dollars) it is difficult to suggest one cost for keratoconus treatment.
Steel is an alloy (mixture) of Iron and Carbon. Iron is the element abbreviabed as Fe on the periodic table (number 26), while Carbon is abbreviated as C (number 6).
Steel is the most common metal alloy in the world. In its simplest form, it consists of iron and varying amounts of carbon. Because both iron and carbon have been well-known since ancient times, the alloy has been produced in one form or another since well before the birth of Christ.