Message: Return type of CI_Session_database_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Message: Return type of CI_Session_database_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Message: Return type of CI_Session_database_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Message: Return type of CI_Session_database_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Message: Return type of CI_Session_database_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Message: Return type of CI_Session_database_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Specifications:
Multiple: 6x
Depth to field(mm): 25
Visual field(mm): 50
There are six working distances for choice: 420mm, 500mm and 550mm.
Each loupe only can doose one out of the six.
It is widely used for surgical operations.
It is fit for Microsurgery, vascular surgery, head surgery, hand surgery, orthopedic, ophthalmology and dental, ENT operations and plastic surgery and breast surgery and so on.
Advantage
It is the kepler style loupe with optical prisms inside.
It is high accuracy.
The optical property of the loupe is very excellent.
It can give a very clear sight for the users.
It is light weight and comfortable for wearing.
And it is convenient for using.
It is very clear and in focus with high accuate optical prosms and lens.
Our loupe is very light weight and comfortable for wearing.
And it can flip up if it is not in use.
