IntacsÂ® Eye Surgery. The IntacsÂ® eye surgery procedure usually requires only a one hour office visit. A preoperative exam will determine if a patient is able to undergo IntacsÂ® eye surgery as a treatment for myopia or keratoconus.ntacsÂ® Eye Surgery. The IntacsÂ® eye surgery procedure usually requires only a one hour office visit. A preoperative exam will determine if a patient is able to undergo IntacsÂ® eye surgery as a treatment for myopia or keratoconus.
The Summer Factor: Temperature. Temperature also affects density altitude. When you heat the air, the air molecules have more energy. And, when they have more energy, they spread farther apart. (You probably learned this in high school chemistry class...). When the air is warmer than standard, it's less dense and performance decreases.
The three main factors that play into this are temperature, relative humidity, and pressure. Another factor are the particles in the air that allow the vapor to condensate on them, e.g. dust. You can even see your breath condensate at room temperature if the conditions are met. All that is required is that the exhaled air has to be saturated with humidity to reach a point of about 5 percent above the relative humidity of the air in the room.