US Pat. No. 9,974,436

OPHTHALMIC APPARATUS, AND TREATMENT SITE MEASURING METHOD FOR THE APPARATUS

LUTRONIC VISION INC, Bur...

1. An ophthalmic apparatus for treating a retinal disease, comprising:a first image unit generating a first image comprising a lower region of the retina;
a second image unit generating a second image of the retina during a treatment process; and
a control unit mapping the second image generated by the second image unit to the first image generated by the first image unit.

US Pat. No. 10,080,683

OPHTHALMIC TREATMENT APPARATUS AND BEAM CONTROL METHOD THEREFOR

LUTRONIC VISION INC, Bur...

11. A method of controlling, by an ophthalmic treatment apparatus, beams, wherein:the ophthalmic treatment apparatus comprises a beam generation unit generating beams having different pulse energy levels, and
the method comprises:
generating the beams including a first plurality of beams and a second plurality of beams, and radiating the first plurality of beams to a first treatment location in a treatment region of an eyeball and the second plurality of beams to a second treatment location;
detecting whether a bubble is generated in the first treatment location; and
controlling an operation of the beam generation unit based on the detection result,
wherein generating the first plurality of beams comprises sequentially increasing a first plurality of pulse energy levels of the first plurality of beams from a first minimum level to a first maximum level, the first maximum level of the first plurality of beams corresponding to a pulse energy level when the bubble is detected, and
wherein generating the second plurality of beams comprises sequentially increasing a second plurality of pulse energy levels of the second plurality of beams from a second minimum level to a second maximum level, the second minimum level of the second plurality of beams being determined based on the first maximum level of the first plurality of beams, the second minimum level of the second plurality of beams being greater than the first minimum level of the first plurality of beams and smaller than the first maximum level of the first plurality of beams.

US Pat. No. 10,327,636

OPHTHALMIC APPARATUS, AND TREATMENT SITE MEASURING METHOD FOR THE APPARATUS

LUTRONIC VISION INC., Bu...

1. An ophthalmic apparatus for treating a retinal disease, comprising:a first image unit generating a first image of a fundus;
a second image unit generating a second image of a local region of the fundus during a treatment process; and
a control unit mapping the second image generated by the second image unit to the first image generated by the first image unit.

US Pat. No. 10,420,676

OPHTHALMIC TREATMENT DEVICE, METHOD FOR CONTROLLING OPHTHALMIC TREATMENT DEVICE, AND FUNDUS LESION TREATMENT METHOD

LUTRONIC VISION INC., Bu...

1. An ophthalmic treatment device, comprising:a treatment beam generation unit that generates a treatment beam;
a beam delivery unit that forms a path that radiates the treatment beam generated in the treatment beam generation unit to a patient's fundus; and
a controller that controls the beam delivery unit to radiate the treatment beam to one or more locations adjacent to a lesion area of the fundus, the one or more locations being outside the lesion area and separated by a predetermined gap or more from a boundary of the lesion area,
wherein the controller controls to radiate the treatment beam to the one or more locations that are separated by at least one RPE cell size from the boundary of the lesion area so as to prevent the lesion area from expanding, and
wherein the lesion area of the fundus is any one of an area in which geography angiography has occurred, an area in which drugen is formed, an area in which blood leakage has occurred, and an area in which macular edema is formed.

US Pat. No. 10,363,433

DRUSEN TREATMENT METHOD AND METHOD FOR CONTROLLING DRUSEN TREATMENT DEVICE

LUTRONIC VISION INC, Bur...

1. A drusen treatment method, comprising:identifying a position of drusen located in a patient's fundus;
determining a treatment area considering the position where the drusen are located; and
decreasing the drusen by transferring energy to the treatment area,
wherein determining the treatment area includes setting a boundary of the treatment area outside of an outer boundary of the drusen, a plurality of retinal pigment epithelium (RPE) cells being disposed between the outer boundary of the drusen and the boundary of the treatment area, a number of the plurality of RPE cells being in a range from two to fifteen, the outer boundary of the drusen and the boundary of the treatment area being on a surface that is perpendicular to a thickness of an RPE layer,
wherein transferring energy to the treatment area includes sequentially radiating light on a plurality of spots located within the treatment area, and
wherein transferring the energy to the treatment area includes transferring the energy to the entire treatment area that includes the plurality of RPE cells outside of the outer boundary of the drusen.

US Pat. No. 10,507,135

OPHTHALMIC TREATMENT APPARATUS AND TREATMENT BEAM RADIATING METHOD FOR SAID APPARATUS

LUTRONIC VISION INC., Bu...

1. An ophthalmic treatment apparatus, comprising:a beam generation unit which generates a beam for treatment; and
a beam delivery unit which guides the beam for treatment generated by the beam generation unit to a retina region of an eyeball; and
an imaging unit which generates an image of the retina region of the eyeball in a direction perpendicular to at least one plane of at least one focal spot of the beam for treatment that is guided by the beam delivery unit,
wherein the ophthalmic treatment apparatus controls the beam delivery unit so that a location of the at least one plane of the at least one focal spot to which the beam for treatment is radiated is controlled based on curvature of the retina region of the eyeball photographed by the image unit,
wherein the at least one plane includes a plane of a first focal spot and a plane of a second focal spot which is separated by a distance from the plane of the first focal spot, and the beam delivery unit radiates the beam for treatment to the retina region of the eyeball in a pattern comprising a plurality of focal spots, and
wherein a controller divides the pattern into a reference pattern located on the plane of the first focal spot and a control pattern located on the plane of the second focal spot and controls the beam delivery unit to radiate the first pattern onto the first focal spot and, after terminating radiation of the first pattern, to radiate the second pattern onto the second focal spot,
wherein the plane of the first focal spot forms a tangential plane in an arc of the retina region of the eyeball through which an optical axial line of the beam for treatment penetrates,
wherein the plane of the second focal spot is parallel to the plane of the first focal spot along the optical axial line and connects both ends of an arc formed with a contact point of the retina region interposed between the two sides,
wherein the separation distance between the plane of the first focal spot and the plane of the second focal spot corresponds to the curvature of the retina region of the eyeball,
wherein the ophthalmic treatment apparatus analyzes the image of the retina region of the eyeball transmitted by the image unit and measures the separation distance between the plane of the first focal spot and the plane of the second focal spot, and
wherein the ophthalmic treatment apparatus controls an operation of the beam delivery unit so that the beam for treatment is radiated to the plane of the first focal spot and the plane of the second focal spot based on the separation distance between the plane of the first focal spot and the plane of the second focal spot.

US Pat. No. 10,537,476

OPHTHALMIC TREATMENT APPARATUS AND BEAM CONTROL METHOD THEREFOR

Lutronic Vision Inc, Bur...

8. A method of controlling beams by an ophthalmic treatment apparatus, wherein the ophthalmic treatment apparatus comprises a beam generation unit generating beams comprising a plurality of pulse trains and each pulse train comprises a plurality of pulses of which energy levels are sequentially increasing, the method comprising:generating a first pulse train and radiating the first pulse train to a first treatment location in a treatment region of an eyeball;
detecting, by a detection unit, a signal indicating an occurrence of one or more bubbles generated by the first pulse train in the first treatment location; and
generating a second pulse train and radiating the second pulse train to a second treatment location in the treatment region, wherein an energy level of an initial pulse of the second pulse train is controlled by a control unit based on the signal detected by the detection unit.